T2

Question 1

Atom

Answer 1

Smallest particle of a chemical element.

Question 2

Element

Answer 2

A substance that cannot be broken down into a simpler one.

Question 3

Atomic Number

Answer 3

of protons in the nucleus of an atom.

Question 4

Atomic Mass

Answer 4

The # of protons + # of neutrons.

Question 5

Shell

Answer 5

An orbit the electrons of an atom follow.

Question 6

Valence Electrons

Answer 6

The electrons on the outermost orbit.

Question 7

Why Ions form

Answer 7

To have a full valence electron shell; to be stable.

Question 8

Monatomic Ion

Answer 8

An ion consisting of one atom.

Question 9

Polyatomic ion

Answer 9

A covalent bond between two or more atoms with an overall charge.

Question 10

Ionic bond

Answer 10

A bond between two atoms, one requiring a loss and the other requiring a gain in electrons.

Question 11

Ionic compound

Answer 11

A chemical compound made of ions held together through ionic bonding.

Question 12

MASH

Answer 12

Metal + Acid -> Salt + Hydrogen Gas

Question 13

BASH

Answer 13

Base + Acid -> Salt + H2O

Question 14

CASHCO

Answer 14

Carbonate + Acid -> Salt + H20 + CO2

Question 15

Acid

Answer 15

A substance with pH less than 7.

Question 16

Base

Answer 16

A substance with pH greater than 7.

Question 17

Carbonate

Answer 17

A salt of carbonic acid.

Question 18

Salt

Answer 18

Any chemical compound formed from the reaction of an acid with a base.

Question 19

Arrangement of Periodic Table

Answer 19

Rows are called periods and have the same number of electron shells. Columns are called groups and have the same number of valence electrons.

Question 20

Learn periodic table groups.

Answer 20

yes

Question 21

What is an acid’s colour when submerged in litmus?

Answer 21

Red

Question 22

What is a base’s colour when submerged in litmus?

Answer 22

Blue

Question 23

What is an acid’s colour when used with universal indicator?

Answer 23

Redish

Question 24

What is a base’s colour when used with universal indicator?

Answer 24

Purplish

Question 25

What is the difference between a strong pH level (closer to 0 or 14) versus a weaker pH level (closer to 7)?

Answer 25

A substance with a stronger pH level will separate faster in comparison.