End of Year Chemistry

The atomic number of an element tells you the number of ...?

• Protons

• Protons and Neutrons

• Electrons

• Neutrons

What is the electron configuration of magnesium?

• 2,8,1

• 24

• 12

• 2,8,2

Tags

NGSS.MS-PS1-1

Rows in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

Beryllium is in group number______.

• Group 2

• Group 3

• Group 4

• Group 7

Tags

NGSS.MS-PS1-1

Which structure represents the sodium chloride lattice?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

What type of bonding occurs in oxygen (O2)?

• ionic bonding

• covalent bonding

• metallic bonding

Tags

NGSS.MS-PS1-1

What type of bonding occurs in buckminsterfullerene (C₆₀)?

• ionic

• covalent

• metallic

Tags

NGSS.MS-PS1-1

What is the mass of one mole of aluminum?

• 27 g

• 13 g

• 54 g

• 14 g

What is the law of conservation of mass?

• Mass of products is more than mass of reactants

• Mass of reactants is less than mass of products

• Mass of reactants is equal to mass of products

Tags

NGSS.MS-PS1-5

Give the equation for calculating concentration from the mass of substance and volume of solution.

• Concentration = mass x volume

• Concentration = mass ÷ volume