PS.8.1.2 Test review

What is the atomic number of Oxygen?

• 8

• 6

• 7

• 1

Which element has the symbol 'Ne'?

• Neon

• Nickel

• Nitrogen

• Neptunium

What is the atomic number of an element with 15 protons?

• 15

• 16

• 14

• 17

Which subatomic particles are found in the nucleus of an atom?

• Protons and neutrons

• Protons and electrons

• Neutrons and electrons

• Only protons

What is the charge of a proton?

• Positive

• Negative

• Neutral

• Variable

Which element is in group 17 and period 2?

• Fluorine

• Chlorine

• Bromine

• Iodine

What is the symbol for the element with atomic number 3?

• Li

• Be

• B

• C

Which element has the atomic mass of 1.01?

• Hydrogen

• Helium

• Lithium

• Beryllium

What is the atomic number of Helium (He)?

• 1

• 2

• 3

• 4

_{How many protons does Helium have?}

• 4
• 4.0026
• 2
• 1

Tags

NGSS.MS-PS1-1