Questions and Answers
The 'Periodic Table' we use today has the elements arranged according to their _______
Increasing Atomic Numbers
What are the vertical columns called?
Families or Groups
What are the rows called?
Periods
Which element has three (3) electrons?
Signup and view all the answers
Where are the Transition Metals found on the Periodic Table?
Signup and view all the answers
What does malleable mean?
Signup and view all the answers
What does ductile mean?
Signup and view all the answers
The elements found in group 3-12 that form or make compounds with distinctive colors are called the ______________ ___________
Signup and view all the answers
Which family contains the non-reactive gases?
Signup and view all the answers
Non-metals are found on the left or right side of the periodic chart of elements?
Signup and view all the answers
The number of _______ _______ (2 words) will determine what properties an element has (such as melting point, reactivity, metallic, or conductivity)
Signup and view all the answers
What metal family is the most reactive and why?
Signup and view all the answers
What non-metal family is the most reactive and why?
Signup and view all the answers
Elements that have properties of both metals and non-metals and are found along the zig-zag line on the periodic chart are called what?
Signup and view all the answers
Which element is a 'One-of-a-Kind' and does not have any neutrons?
Signup and view all the answers
Why are the Noble Gases unreactive?
Signup and view all the answers
Most of these compounds are gases at room temperature: (metals or non-metals?)
Signup and view all the answers
'Malleable' is a physical property of: metals or non-metals?
Signup and view all the answers
Most of these compounds are solids at room temperature: (metals or non-metals)
Signup and view all the answers
'Being a good conductor of heat' is a physical property of metals or non-metals?
Signup and view all the answers
'Ductile' is a physical property of metals or non-metals?
Signup and view all the answers
'Being a good conductor of electricity' is a physical property of metals or non-metals?
Signup and view all the answers
The elements that are the most alike are the ones in the same row or the same column?
Signup and view all the answers
Are the following characteristics physical or chemical properties? Silvery colored, Relatively soft, Low melting points
Signup and view all the answers
The name for the electrons in the outermost orbital is the ______________ electrons.
Signup and view all the answers
Families or Groups are the two names for which of the following: horizontal rows or vertical columns?
Signup and view all the answers
Which family of metals is the most chemically reactive?
Signup and view all the answers
Elements in the same column have similar properties because ______________________.
Signup and view all the answers
Metals are found on the left or right side of the periodic chart of elements?
Signup and view all the answers
Most elements in the periodic table are found in the ___________ state.
Signup and view all the answers
Protons have a _______ charge.
Signup and view all the answers
The center of an atom is called the _________________.
Signup and view all the answers
Neutrons have a ________ charge.
Signup and view all the answers
Electrons have a ________ charge.
Signup and view all the answers
These are the smallest building blocks of matter that make up everything.
Signup and view all the answers
When something is only made of one type of atom, it is called an _____________.
Signup and view all the answers
Study Notes
Periodic Table Overview
- The elements are arranged by increasing atomic numbers in the Periodic Table.
- Vertical columns are known as Families or Groups, indicating elements with similar properties.
- Rows in the table are referred to as Periods.
Element Properties
- Lithium (Li) is the element with three electrons.
- Transition Metals occupy the middle section of the Periodic Table and are known for forming colorful compounds.
- Noble gases, found in group 18, are non-reactive due to their full outer electron shell.
Physical Properties of Metals and Non-metals
- Malleability allows metals to be hammered into thin sheets; ductile properties mean they can be drawn into wires.
- Non-metals are primarily found on the right side of the Periodic Table and are typically gaseous at room temperature.
- Metals are characterized by their good conductivity of heat and electricity, along with being malleable and ductile.
Reactivity of Elements
- Alkali metals (group 1) are the most reactive metal family and seek to lose their single valence electron.
- Halogens are the most reactive non-metal family, needing one more electron for stability.
- Metalloids have characteristics of both metals and non-metals and lie along the zig-zag line on the table.
Atomic Structure
- Hydrogen is unique as it has no neutrons and is considered "one-of-a-kind."
- Protons carry a positive charge, neutrons are neutral, and electrons possess a negative charge.
- The center of an atom, called the nucleus, houses protons and neutrons.
Valence Electrons and Chemical Properties
- Valence electrons in the outermost orbital dictate an element's properties, such as melting point and reactivity.
- Similar properties in elements are observed within the same column due to identical valence electron counts.
Element States and Composition
- Most elements in the Periodic Table are solids at room temperature.
- Atoms serve as the smallest building blocks of matter and constitute all substances.
- A substance consisting solely of one type of atom is classified as an element.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge with these flashcards about atoms and the periodic table. Learn key concepts such as atomic numbers, groups, and periods, as well as specific elements like Lithium. Great for chemistry students looking to reinforce their understanding of the periodic table.
