Atoms, Molecules and Ions.

Question 1

What is a molecule?

Answer 1

A small group of atoms joined together.

Question 2

What is an ion?

Answer 2

An atom with an electrical charge.

Question 3

What charge do metals form?

Answer 3

Positive

Question 4

What charge do non-metals form?

Answer 4

Negative.

Question 5

What is the charge of a proton?

Answer 5

+1

Question 6

What is the mass and charge of a neutron?

Answer 6

Mass: 1
Charge: 0

Question 7

What is the charge of an electron?

Answer 7

-1

Question 8

What do we call the number of protons in the nucleus?

Answer 8

The atomic number.

Question 9

Electron number is the same as the ____ number.

Answer 9

Proton

Question 10

What is the mass of an atom made up of?

Answer 10

Protons and neutrons.

Question 11

Protons and ____ have the same mass.

Answer 11

Neutrons.

Question 12

If Na has a mass number of 23, what are the amounts of protons and neutrons?

Answer 12

E: 11
N: 12

Question 13

What orbits the nucleus?

Answer 13

Electrons.

Question 14

Max number of electrons in the first shell:

Answer 14

2

Question 15

Max number of electrons in the second shell:

Answer 15

8

Question 16

Max number of electrons in the third shell:

Answer 16

8

Question 17

What is the electron structure of Calcium? Atomic number: 20

Answer 17

2.8.8.2

Question 18

What is the electron structure of Sodium? Atomic number: 11

Answer 18

2.8.1

Question 19

What gasses have a full outer shell of electrons?

Answer 19

Noble gasses.

Question 20

Are noble gasses reactive?

Answer 20

No. They are stable.

Question 21

What can other elements do to be more like noble gasses (stable)?

Answer 21

Sober up. No. They can lose, gain or share electrons.

Question 22

What type of bonding involves metals and non-metals?

Answer 22

Ionic bonding.

Question 23

____ atoms lose their outer shell electrons to form positive ions.

Answer 23

Metal. \m/

Question 24

_____ atoms gain electrons to fill the outer shell and form negative ions.

Answer 24

Non-metal.

Question 25

A ____ bond is formed between 2 non-metals

Answer 25

Covalent.

Question 26

Atoms are ____ in a covalent bond in order to fill outer shells.

Answer 26

Shared.

Question 27

Positive and negative ions attract each other in a lattice in ____ bonding.

Answer 27

Ionic.

Question 28

The result of ____ bonding is neutral molecules.

Answer 28

Covalent.