May 17, 2023_Periodic Table & Atomic Structure

Which are of the following are subatomic particles. Select three:

• Protons

• Neutrons

• Electrons

• Nucleus

The atomic number will tell me... (select three)

• Number of Protons

• Number of Electrons

• Number of Neutrons

• What element is it

The nucleus of an atom contains which of the following subatomic particles: (Select two)

• protons

• Neutrons

• Electrons

• Shells

Tags

NGSS.MS-PS1-1

Hydrogen has an atomic number of 1. How many electrons does hydrogen have?

• 1

• 2

• 4

• 0

Tags

NGSS.MS-PS1-1

Silicon has an atomic number of 14 and an atomic mass of 28. How many neutrons does it have?

• 14

• 28

• 2

• 10

Tags

NGSS.MS-PS1-1

Which of the following are properties of a metal: (you should select more than one)

• Good conductor of heat and electricity

• Brittle (break easily)

• Malleable (able to bend without breaking)

• Luster (shiny)

• Dull

This element is found in group 2, period 3:

• Li

• Mg

• Be

• B

Valence electrons are:

• Just the electrons on the last energy level (outer shell)

• All the electrons in the atom

What is the charge of a proton?

• Positive

• Negative

• No charge, Neutral

What is the charge of an electron?

• Postive

• Negative

• No Charge

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5