Semester 1 Benchmark Review

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

Tags

NGSS.MS-PS1-1

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

The negatively charged particles of an atom are the ______.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

All matter is made of

• energy

• electrons

• atoms

• compounds

Tags

NGSS.MS-PS1-1

A particle that moves around the nucleus is called an

• proton

• electron

• neutron

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge
• Smaller mass than a proton and a positive charge
• Greater mass than a proton and a negative charge
• Greater mass than a proton and a positive charge

Which THREE diagrams contain compound molecules?

• 
• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which model correctly shows a mixture that is made of an elemental molecule and a compound?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

A molecule is made up of ____ or more atoms.

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1