Chemistry Elements and Properties Quiz

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Questions and Answers

Which Group is Carbon classified in?

IVA (correct)

In which Period is Tin located?

5 (correct)

Which of the following elements belongs to Group 6A (VIA)?

Aluminum (Al)

Barium (Ba)

Selenium (Se) (correct)

Vanadium (V)

Identify the classification of Thallium.

Metal Signup and view all the answers

What type of element is Neon?

Non-metal Signup and view all the answers

What is the definition of matter?

Something with mass and takes up space Signup and view all the answers

Is natural gas an example of matter?

True Signup and view all the answers

Which of the following is NOT considered an example of matter?

Electricity Signup and view all the answers

Which property is classified as a chemical property?

Corrosiveness Signup and view all the answers

If two objects have the same volume, what can be inferred if one has a greater mass?

It has a higher density Signup and view all the answers

When comparing the mass of the same volume of alcohol and water, what would be true?

The mass of alcohol is less Signup and view all the answers

True or False: Densities for substances of the same material can vary if mass and volume vary.

False Signup and view all the answers

What would be the relationship between the density of substances represented in two cubes if one has a greater density?

The cubes can be of the same volume but different densities Signup and view all the answers

What property distinguishes metals from non-metals regarding their appearance?

Luster Signup and view all the answers

Which of the following properties is common to all metals?

Good electrical conductivity Signup and view all the answers

If an element has a high melting point and is ductile, what category does it most likely belong to?

Metal Signup and view all the answers

Which of the following elements would usually not react with acids?

Carbon Signup and view all the answers

Which subatomic particles reside in the nucleus of an atom?

Protons and neutrons Signup and view all the answers

If an atom has 12 protons, what is its atomic number?

12 Signup and view all the answers

What is the charge of an electron?

-1 Signup and view all the answers

Which statement describes non-metals?

They are brittle and dull. Signup and view all the answers

Which of the following characteristics is not associated with noble gases?

Very reactivity with other elements Signup and view all the answers

Which element is classified as a noble gas?

Xenon Signup and view all the answers

What is the valence electron count for the element with atomic number 14?

4 Signup and view all the answers

Which of the following elements is a metal?

Thallium Signup and view all the answers

How many neutrons are present in a Calcium atom with a mass number of 40?

22 Signup and view all the answers

Which of the following accurately describes an isotope?

Atoms with the same number of protons but different neutron counts Signup and view all the answers

What type of particle is a neutron?

Electrically neutral Signup and view all the answers

Which element is not a noble gas from group 18?

Bromine Signup and view all the answers

How many valence electrons does an atom of Barium have?

2 Signup and view all the answers

What is the mass number of an element that has 20 protons, 20 electrons, and 22 neutrons?

42 Signup and view all the answers

Which statement accurately distinguishes between carbon-13 and carbon-14?

They have the same number of protons but different neutron counts. Signup and view all the answers

What happens to an atom of Sodium (Na) when it forms an ion?

It loses one electron and becomes Na+. Signup and view all the answers

Which of the following elements when forming ions will gain or lose electrons?

Francium will typically lose one electron. Signup and view all the answers

Which of the following statements about ionic bonds is true?

Ionic bonds typically occur between metals and non-metals. Signup and view all the answers

Which of the following correctly represents an isotope of lead-209?

Lead-210 with 82 protons and 128 neutrons. Signup and view all the answers

What is the charge of the calcium ion when it forms?

Ca2+ Signup and view all the answers

Which element is most likely to form an ionic bond with sodium?

Chlorine Signup and view all the answers

Which statement is true about the formation of an ionic bond between sodium and nitrogen?

Sodium loses 1 electron and nitrogen gains 3. Signup and view all the answers

Which of the following is a correct name for the ionic compound NaCl?

Sodium chloride Signup and view all the answers

What is the correct formula for the ionic compound formed between calcium and bromine?

CaBr2 Signup and view all the answers

Which of the following correctly names the ionic compound NH4NO3?

Ammonium nitrate Signup and view all the answers

What is the correct formula for the ionic compound made of aluminum and sulfate?

Al2(SO4)3 Signup and view all the answers

Which of the following correctly describes a covalent bond?

It occurs between two nonmetals. Signup and view all the answers

Which statement is NOT true about the covalent compound carbon tetrabromide (CBr4)?

It has strong ionic bonds. Signup and view all the answers

Study Notes

Matter and its Properties

Matter is defined as anything that has mass and takes up space.
Natural gas is an example of matter.
Examples of matter include clouds and rocks.
Examples of things that are not matter include sound, electricity, and X-rays.
Density is a physical property.
Corrosive, boiling point, oxidizer, mass, poisonous, and ductile are also physical properties.
If two objects have the same volume but one has a greater mass, the one with greater mass has a higher density.
Alcohol is less dense than water. If you measure the mass of the same volume of alcohol and water, the water would have a greater mass.
The densities of substances of the same material can vary if mass and volume vary.

Density

Density is calculated by dividing mass by volume (D=m/v)
Density is expressed in g/cm³.
If two objects have the same volume, the denser object has a greater mass.

Laboratory Equipment

A meter stick is used to measure length.
Grams are used to measure mass.

Periodic Table

Carbon is in Group IVA.
Tin is in Period 5.
Elements in Group 6A (VIA) include tellurium, selenium, and oxygen.
Thallium is a metal.
Neon is a non-metal.
Strontium is a metal.
Tellurium is a metalloid.
Sodium is a metal
Bromine is a non-metal.

Metals and Nonmetals

Metals typically have a shiny luster, are ductile, and are good conductors of heat and electricity.
Nonmetals typically lack luster, are brittle, and are poor conductors of heat and electricity.
Metalloids have properties intermediate between those of metals and nonmetals. Their properties can vary.

Atomic Structure

Protons and neutrons are found in the nucleus of an atom.
Electrons orbit the nucleus.
Protons have a positive charge.
Neutrons have no charge.
Electrons have a negative charge.

Subatomic Particles

Protons and neutrons have a relative mass of approximately 1 amu.
Electrons have a negligible mass.
Electrons have a negative charge.

Atomic Number

Atomic number of potassium is 19.

Atomic Mass

Mass number of an element is calculated by adding the number of protons and neutrons.

Isotopes

Isotopes are atoms of the same element that have different numbers of neutrons.

Ionic Bonding

Ionic bonds form when electrons are transferred from one atom to another.
The result is positive and negative Ions that attract .
Atoms are more stable when they have a full valence shell.
Ionic bonds occur between a metal and a non-metal.

Nomenclature

For naming binary ionic compounds, the cation is named first, followed by the anion.
For naming covalent compounds, prefixes are used to indicate the number of atoms of each element in the compound.

Covalent Bonds

Covalent bonds form when electrons are shared between atoms.
Covalent bonds occur between nonmetals.

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Description

Test your knowledge on the classification of elements, including groups and periods on the periodic table. This quiz covers key concepts such as the properties of matter, chemical properties, and the distinctions between metals and non-metals. Perfect for chemistry students looking to reinforce their understanding of elemental categories.