Atom & Periodic Table Assessment

The _________is a chart created by chemists to organize the elements of the world.

• Graph

• Mass number

• Periodic Table

• Data Table

What particle(s) make(s) up the nucleus of an atom?

• Protons and Electrons

• Protons and Neutrons

• Neutrons and Electrons

• Only Protons

Tags

NGSS.MS-PS1-1

What type of CHARGE does the electron have in an atom?

• Positive

• Neutral

• Negative

• No Charge

Tags

NGSS.MS-PS1-1

The elements in the periodic table are organized by:

• Atomic mass

• Atomic number

• Ionization energy

• Valence electrons

The two subatomic particles that make up the mass of the atom are the _____ and the _____.

• proton, neutron
• proton, electron
• neutron, electron
• electron, energy levels

An atom of an element contains 20 protons. What is the identity of the element? (NOTE: you will need to use your Periodic Table)

• Neon
• Calcium
• Potassium
• Argon

Tags

NGSS.MS-PS1-1

What is the atomic mass of the atom pictured? 

• 9
• 10
• 18
• 19

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 9
• 10
• 18
• 19

Tags

NGSS.MS-PS1-1

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

Isotopes of an element have different number of ___________ and therefore have different masses.

• Proton

• Neutron

• Electon

Tags

NGSS.HS-PS1-8