Atomic Structure,Electron Configurations and Bonding Review

A sample of seawater has a mass of 158 g and a volume of 156 mL. What is the density?

• 1.01 g/mL

• 0.99 g/mL

• 24,648 g/mL

A 65g rock is placed into a cylinder containing 50.0 mL of water causing the water level to rise to 63.0 mL. What is the density of the rock?

• 1.03 g/mL

• 5 g/mL

• 1.3 g/mL

• 7.9 g/mL

Subatomic particle with a charge of 0

• neutron
• proton
• electron
• quark

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

These will determine what element an atom is. 

• number of neutrons
• number of electrons
• number of atoms 
• number of protons 

Tags

NGSS.MS-PS1-1

The number 16 for the atomic element sulfur is the

• ionic number

• isotope

• atomic mass

• atomic number

Tags

NGSS.MS-PS1-1

How many protons does sulfur have?

• 32

• 16

• 48

• 12

Tags

NGSS.MS-PS1-1

How many electrons does sulfur have

• 16

• 32

• 48

• 12

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a neutral atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

How many neutrons does oxygen have?

• 16
• 15.99
• 8
• Doesn't contain any neutrons

Tags

NGSS.MS-PS1-1