Chemical Knowledge Assessment Review

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

Tags

NGSS.HS-PS1-8

What is the number highlighted?

• Atomic number
• Atomic mass
• Number of protons
• Number of electons

Tags

NGSS.MS-PS1-1

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.HS-PS1-8

In a correctly written symbol what would be located in the "A" position?

• number of neutrons
• atomic number
• number of electrons 
• mass number

Tags

NGSS.HS-PS1-8

Isotopes are atoms of the same element with different #’s of __________ & therefore different __________.

• n⁰ ;  atomic #’s
• p⁺ ; atomic #’s
• e^- ; atomic masses
• n⁰ ; atomic masses

Tags

NGSS.HS-PS1-8

Which form of matter does not take the shape of its container?

• liquid
• gas
• solid
• air

Sublimation is

• when solid turns into gas
• when gas turns into plasma
• when liquid turns into gas
• when gas turns into solid

Tags

NGSS.MS-PS1-4

Fluid states are

• solid and gas
• liquid and gas
• solid and liquid
• solid, liquid and gas

Which of the following would be considered a physical change?

• Cutting paper

• pH test

• Burning marshmellow

• Roasting a Turkey

Which of the following is a Physical Property 

• Toxicity
• Flammability
• Malleability
• Reactivity