LMS 8th grade Science Homework #3

What is the mass of a neutron?

• 1 amu
• 0 amu
• same as electron
• doesn't have any mass

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

Where is the neutron located?

• In the loose nucleus with the electron
• In the dense nucleus with the protons
• In the electron cloud
• The nucleus floats on orbitals

Tags

NGSS.MS-PS1-1

How many neutrons does an element with an atomic number of 3 and a mass of 6.9 contain?

• 6.9
• 4
• 3
• 7

Tags

NGSS.MS-PS1-1

What is the charge of the neutron?

• Negative
• Positive
• electrical charge
• Neutral (no charge)

How many neutrons are in Phosphorus (P) ?

• 15
• 31
• 16
• 14

Which element has 5 more protons than Oxygen (O)?

• Aluminum
• Lithium
• Chlorine
• Silicon

Metals are solid at room temperature

• False
• True

All of the following would classify an element as a metal except?

• Dull
• Luster
• Malleable
• Hard

The word “luster” refers to which property of matter?

• The ability to conduct electrical or thermal energy
• Capable of being drawn out into thin wires
• The way a surface appears when it reflects light
• Suitable for being shaped by beating or rolling

Tags

NGSS.MS-PS4-2