Matter and Energy

Which subatomic particle has a mass of 1/1836 amu, a negative charge, and is located outside of the nucleus?

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a mass of 1 amu, a neural charge, and is located inside the nucleus?

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a mass of 1 amu, a positive charge, and is located inside the nucleus?

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS1-1

What characteristic is the most important information to know when trying to determine an element’s identity?

• Protons

• Valence Electrons

• Electrons

• Neutrons

Identify the element using the Bohr model.

• He

• Li

• Be

• Na

Tags

NGSS.MS-PS1-1

Which element shown below would be the least reactive?

• Na

• Ne

• Cl

Tags

NGSS.MS-PS1-1

Using a Periodic Table, identify two elements that would have the same number of valence electrons as Calcium (Ca).

• Mg and Ba

• K and Sc

• Sr and Sc

Using a Periodic Table, identify two elements that would have the same number of energy levels as Oxygen (O).

• S and Se

• Ne and Li

• Be and Al

• Na and F

Tags

NGSS.MS-PS1-1

The chemical formula for Copper Sulfate is shown below. How many elements that make up this compound?

CuSO₄

• 6

• 4

• 3

• 2

Tags

NGSS.MS-PS1-1

How many atoms of phosphorus are represented in the chemical formula below?

Sr₃(PO₄)₂

• 1

• 2

• 8

Tags

NGSS.MS-PS1-1