Chemistry Elements Flashcards

Questions and Answers

What is the symbol for Hydrogen?

H (correct)

What is the element with the symbol He?

Helium

What element is represented by the symbol Li?

Lithium

Which element has the symbol Be?

Beryllium Signup and view all the answers

What is the element represented by the symbol B?

Boron Signup and view all the answers

Identify the element with the symbol C.

Carbon Signup and view all the answers

What element corresponds to the symbol N?

Nitrogen Signup and view all the answers

What element is represented by the symbol O?

Oxygen Signup and view all the answers

Which element has the symbol F?

Fluorine Signup and view all the answers

What is the element represented by the symbol Ne?

Neon Signup and view all the answers

Identify the element with the symbol Na.

Sodium Signup and view all the answers

What element corresponds to the symbol Mg?

Magnesium Signup and view all the answers

Which element has the symbol Al?

Aluminium Signup and view all the answers

What element is represented by the symbol Si?

Silicon Signup and view all the answers

Identify the element with the symbol S.

Sulfur Signup and view all the answers

What is the element represented by the symbol Cl?

Chlorine Signup and view all the answers

Which element has the symbol P?

Phosphorus Signup and view all the answers

What element is represented by the symbol Ar?

Argon Signup and view all the answers

Identify the element with the symbol K.

Potassium Signup and view all the answers

What element corresponds to the symbol Ca?

Calcium Signup and view all the answers

Which element has the symbol Sc?

Scandium Signup and view all the answers

What is the element represented by the symbol Ti?

Titanium Signup and view all the answers

What element is represented by the symbol V?

Vanadium Signup and view all the answers

Identify the element with the symbol Cr.

Chromium Signup and view all the answers

What element corresponds to the symbol Mn?

Manganese Signup and view all the answers

What is the element represented by the symbol Fe?

Iron Signup and view all the answers

Identify the element with the symbol Co.

Cobalt Signup and view all the answers

What element corresponds to the symbol Ni?

Nickel Signup and view all the answers

Which element has the symbol Cu?

Copper Signup and view all the answers

What is the element represented by the symbol Zn?

Zinc Signup and view all the answers

Identify the element with the symbol Ga.

Gallium Signup and view all the answers

What element corresponds to the symbol Ge?

Germanium Signup and view all the answers

What is the element represented by the symbol As?

Arsenic Signup and view all the answers

Identify the element with the symbol Se.

Selenium Signup and view all the answers

What element corresponds to the symbol Br?

Bromine Signup and view all the answers

Which element has the symbol Kr?

Krypton Signup and view all the answers

What is the element represented by the symbol I?

Iodine Signup and view all the answers

Identify the element with the symbol Mo.

Molybdenum Signup and view all the answers

What element corresponds to the symbol Ag?

Silver Signup and view all the answers

What is the element represented by the symbol Au?

Gold Signup and view all the answers

Identify the element with the symbol Hg.

Mercury Signup and view all the answers

What element corresponds to the symbol Pb?

Lead Signup and view all the answers

What is the element represented by the symbol Xe?

Xenon Signup and view all the answers

Identify the element with the symbol W.

Tungsten Signup and view all the answers

What is the element represented by the symbol Pt?

Platinum Signup and view all the answers

What element corresponds to the symbol Sn?

Tin Signup and view all the answers

1 kg = ?

10^3 g Signup and view all the answers

1 uL = ?

10^-6 L Signup and view all the answers

1 nm = ?

10^-9 m Signup and view all the answers

1 MJ = ?

10^6 J Signup and view all the answers

What is the common unit of mass in the customary units?

pound Signup and view all the answers

What is the standard unit of mass in the SI system?

kilogram Signup and view all the answers

What is the customary unit for length?

Foot Signup and view all the answers

What is the standard unit of length in the SI system?

meter Signup and view all the answers

What is the customary unit for volume?

quart Signup and view all the answers

What is the standard unit of volume in the SI system?

cubic meter (m^3) Signup and view all the answers

What is the customary unit for temperature?

F Signup and view all the answers

What is the standard unit for temperature in the SI system?

K Signup and view all the answers

Classify Oxygen as an element, compound, homogeneous mixture, or heterogeneous mixture.

element Signup and view all the answers

Classify pure water as an element, compound, homogeneous mixture, or heterogeneous mixture.

compound Signup and view all the answers

Classify maple syrup as an element, compound, homogeneous mixture, or heterogeneous mixture.

homogeneous mixture Signup and view all the answers

Classify fruit salad as an element, compound, homogeneous mixture, or heterogeneous mixture.

heterogeneous mixture Signup and view all the answers

Classify gold as an element, compound, homogeneous mixture, or heterogeneous mixture.

element Signup and view all the answers

Classify vitamin D as an element, compound, homogeneous mixture, or heterogeneous mixture.

compound Signup and view all the answers

Classify salt water as an element, compound, homogeneous mixture, or heterogeneous mixture.

homogeneous mixture Signup and view all the answers

Classify each of the following mixtures as homogeneous or heterogeneous: vegetable soup, tea, tea with ice and lemon slices, seawater, fruit salad.

vegetable soup- heterogeneous, tea- homogeneous, tea with ice and lemon- heterogeneous, seawater- homogeneous, fruit salad- heterogeneous Signup and view all the answers

Classify each of the following as pure substance or mixture: baking soda (NaHCO3), a blueberry muffin, ice (H2O), zinc (Zn), Trimix, oxygen, nitrogen, and helium in a scuba tank.

baking soda- pure, muffin- mixture, ice- pure, zinc- pure, scuba tank- mixture Signup and view all the answers

Classify each of the following pure substances as an element or a compound: silicon (Si) chip, oxygen (O2), hydrogen peroxide (H2O2), rust (Fe2O3), methane (CH4) in natural gas.

Si- element, Oxygen- element, H2O2- compound, rust- compound, methane- compound Signup and view all the answers

Classify each of the following as a homogeneous or heterogeneous mixture: eye drops, hard boiled egg, ketchup.

eye drops- homogeneous, hard boiled egg- heterogeneous, ketchup- homogeneous Signup and view all the answers

Classify each type of matter as an element, a compound, a heterogeneous mixture, or a homogeneous mixture: Pt, toluene, OJ with pulp, hot tea, Ca, salt, soil, salt water, Al, CO2, air.

Pt- element, toluene- compound, OJ with pulp- heterogeneous mixture, hot tea- homogeneous mixture, Ca- element, salt- compound, soil- heterogeneous mixture, salt water- homogeneous mixture, Al- element, CO2- compound, air- homogeneous mixture Signup and view all the answers

Classify each of the following as a pure substance or a mixture: a soft drink, a cheese sandwich, salt substitute (KCl), propane (C3H8), an iron (Fe) nail.

soft drink- mixture, cheese sandwich- mixture, salt substitute- pure, propane- pure, iron nail- pure Signup and view all the answers

Classify each of the following mixtures as homogeneous or heterogeneous: nonfat milk, chocolate-chip ice cream, gasoline, peanut-butter-and-jelly sandwich, cranberry juice.

nonfat milk- homogeneous, chocolate-chip ice cream- heterogeneous, gasoline- homogeneous, peanut-butter-and-jelly sandwich- heterogeneous, cranberry juice- homogeneous Signup and view all the answers

Classify the following phase changes as requiring energy input or having energy output: freezing, melting, condensing, vaporizing, deposition, subliming.

freezing- output of energy, melting- input of energy, condensing- output, vaporizing- input, deposition- output, sublimation- input Signup and view all the answers

Study Notes

Elements and Their Symbols

Element Hydrogen represented by symbol H
Element Helium represented by symbol He
Element Lithium represented by symbol Li
Element Beryllium represented by symbol Be
Element Boron represented by symbol B
Element Carbon represented by symbol C
Element Nitrogen represented by symbol N
Element Oxygen represented by symbol O
Element Fluorine represented by symbol F
Element Neon represented by symbol Ne
Element Sodium represented by symbol Na
Element Magnesium represented by symbol Mg
Element Aluminium represented by symbol Al
Element Silicon represented by symbol Si
Element Sulfur represented by symbol S
Element Chlorine represented by symbol Cl
Element Phosphorus represented by symbol P
Element Argon represented by symbol Ar
Element Potassium represented by symbol K
Element Calcium represented by symbol Ca
Element Scandium represented by symbol Sc
Element Titanium represented by symbol Ti
Element Vanadium represented by symbol V
Element Chromium represented by symbol Cr
Element Manganese represented by symbol Mn
Element Iron represented by symbol Fe
Element Cobalt represented by symbol Co
Element Nickel represented by symbol Ni
Element Copper represented by symbol Cu
Element Zinc represented by symbol Zn
Element Gallium represented by symbol Ga
Element Germanium represented by symbol Ge
Element Arsenic represented by symbol As
Element Selenium represented by symbol Se
Element Bromine represented by symbol Br
Element Krypton represented by symbol Kr
Element Iodine represented by symbol I
Element Molybdenum represented by symbol Mo
Element Silver represented by symbol Ag
Element Gold represented by symbol Au
Element Mercury represented by symbol Hg
Element Lead represented by symbol Pb
Element Xenon represented by symbol Xe
Element Tungsten represented by symbol W
Element Platinum represented by symbol Pt
Element Tin represented by symbol Sn

Metric Prefixes and Their Values

Deci (d) represents (10^{-1})
Centi (c) represents (10^{-2})
Milli (m) represents (10^{-3})
Micro (u) represents (10^{-6})
Nano (n) represents (10^{-9})
Pico (p) represents (10^{-12})
Femto (f) represents (10^{-15})
Deka (da) represents (10^{1})
Hecto (h) represents (10^{2})
Kilo (k) represents (10^{3})
Mega (M) represents (10^{6})
Giga (G) represents (10^{9})
Tera (T) represents (10^{12})
Peta (P) represents (10^{15})

Unit Conversions

1 kg = (10^{3}) g
1 µL = (10^{-6}) L
1 nm = (10^{-9}) m
1 MJ = (10^{6}) J

Mass and Length Units

Common unit of mass in the U.S. customary system: pound
Standard unit of mass in SI units: kilogram
Common length unit in the U.S. customary system: foot
Standard length unit in SI units: meter

Volume Units

Common volume unit in the U.S. customary system: quart
Standard volume unit in SI units: cubic meter (m³)

Temperature Units

U.S. customary temperature unit: Fahrenheit (F)
Standard temperature unit in SI units: Kelvin (K)

Classification of Matter

Oxygen is classified as an element.
Pure water is classified as a compound.
Maple syrup is classified as a homogeneous mixture.
Fruit salad is classified as a heterogeneous mixture.
Gold is classified as an element.
Vitamin D is classified as a compound.
Salt water is classified as a homogeneous mixture.

Classification of Mixtures

Vegetable soup is classified as heterogeneous.
Tea is classified as homogeneous.
Tea with ice and lemon is classified as heterogeneous.
Seawater is classified as homogeneous.
Fruit salad is classified as heterogeneous.

Pure Substances vs. Mixtures

Baking soda (NaHCO3) is a pure substance.
A blueberry muffin is a mixture.
Ice (H₂O) is a pure substance.
Zinc (Zn) is a pure substance.
Trimix (oxygen, nitrogen, helium) in a scuba tank is a mixture.

Elements vs. Compounds

A silicon (Si) chip is classified as an element.
Oxygen (O2) is classified as an element.
Hydrogen peroxide (H₂O₂) is classified as a compound.
Rust (Fe₂O₃) is classified as a compound.
Methane (CH4) in natural gas is classified as a compound.

Classification of Phase Changes

Freezing has a net output of energy.
Melting requires an input of energy.
Condensing has a net output of energy.
Vaporizing requires an input of energy.
Deposition has a net output of energy.
Sublimation requires an input of energy.

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Test your knowledge of the basic chemical elements with these flashcards. Each card features the symbol of an element alongside its name, perfect for quick revision and memorization. Ideal for chemistry students and enthusiasts!