Physical Science Milestones Review, Part 2

The yellow atoms are called 

• metals
• nonmetals
• metalloids
• noble gases

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

Most of the mass in an atom is concentrated in the...

• electrons
• nucleus
• protons
• empty space

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

Electrons are

• negative and in the nucleus

• positive and at the edge of the atom

• not in an atom

• negative and outside of the nucleus

Tags

NGSS.MS-PS2-3

An element is a

• pure substance

• compound

• mixture

• molecule

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

An atom with atomic number 6 would have how many protons

• 6

• 12

• 3

• cannot be determined

The central region of an atom where its neutrons and protons are is its

• nucleus

• electron cloud

• core

• center