Atomic Structure and the Periodic Table

Question 1

What is an atom?

Accepted Answer

The smallest particle of an elements

Question 2

Anything that has mass and takes up space is called

Accepted Answer

matter

Question 3

Ions that are made of more than one atoms are examples of

Accepted Answer

polyatomic ions

Question 4

Which one of the following processes is NOT a physical change?

Accepted Answer

Lighting a match from a matchbook

Question 5

What type of bonds are formed when atoms share electrons unequally?

Accepted Answer

Polar bonds

Question 6

In an atom, the number of protons equals the number of

Accepted Answer

electrons

Question 7

How many valence electrons does an atom need to be stable?

Accepted Answer

8

Question 8

What is a group on the periodic table

Accepted Answer

vertical column of elements

Question 9

If you describe methane as a gas that easily catches fire, you are describing a

Accepted Answer

chemical property

Question 10

If I have an atomic number of 7 and an atomic mass of 15, how many neutrons do I have?

Accepted Answer

8

Question 11

Which of the following is an example of a physical property?

Accepted Answer

Table salt melting

Question 12

One example of a physical change is

Accepted Answer

dissolving salt in water

Question 13

An ionic bond is the attraction between

Accepted Answer

oppositely charged ions

Question 14

From an element's location in the periodic table, you can predict

Accepted Answer

its properties

Question 15

When an atoms loses an electron, it becomes a

Accepted Answer

positive ion

Question 16

Which parts of the atom move around the nucleus?

Accepted Answer

electrons

Question 17

Soil, a salad, and sugar water are all examples of

Accepted Answer

mixtures

Question 18

Which particles in atoms have a negative charge?

Accepted Answer

electrons

Question 19

The SUBSTANCES listed on the left side of a chemical equation are the

Accepted Answer

reactants

Question 20

What holds the hydrogen and oxygen atoms together in a water molecule?

Accepted Answer

Chemical bonds

Questions 20