Atoms and Ions

Question 1

Elements

Answer 1

A pure substance made of only one type of atom

Question 2

Compound

Answer 2

A substance made up of more than one type of atom joined by chemical bonds

Question 3

molecule

Answer 3

A group of atoms bonded together

Question 4

atom

Answer 4

Smallest particle of an element

Question 5

3 types of atoms in elements?

Answer 5

Monatomic
Molecular elements (non-metal)
Metallic elements

Question 6

What are compounds joined together by?

Answer 6

covalent bonds

Question 7

Mixture

Answer 7

different substances in the same space that are not chemiccally joined

Question 8

Weight of proton

Answer 8

1

Question 9

Weight of neutron

Answer 9

1

Question 10

What are Ions?

Answer 10

Uneven amount of protons and electrons which results in an unequal charge

Question 11

Name of the positive ion?

Answer 11

Cation

Question 12

Name of the negative ion?

Answer 12

Anion

Question 13

What are isotopes?

Answer 13

Atoms with a different number of neutrons and protons.

Question 14

How do you find the number of neutrons from isotopes?

Answer 14

Subtract atomic number from mass number. (just subtract the smaller number from the bigger one)

Question 15

Electron configuration - maximum amount of electrons for first, second, third shell

Answer 15

2, 8, 18

Question 16

Ground State

Answer 16

Lowest energy state for the element

Question 17

Excited State

Answer 17

Electrons absorb energy and jump to higher energy levels.

Question 18

What are Groups?

Answer 18

• Vertical
• No. of electrons in the valent shell

Question 19

What are Periods?

Answer 19

• Horizontal
• No. of occupied electron shells

Question 20

What is included in the Mass Number

Answer 20

Protons and neutrons

Question 21

What is inluded in the Atomic Number

Answer 21

Protons

Question 22

What is the octet rule?

Answer 22

When the third shell is filled up to 8, next 2 electrons are in the 4th shell, then the 3rd shell is next filled up until it has 18 electrons.

Question 23

Covalent bonds

Answer 23

Bonds created from the sharing of electrons