End of 3rd Quarter Extravaganza

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

The atomic number of Lithium is

• 3
• 4
• 5
• 6

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Atoms of the same element which have a different number of neutrons are called _________________.

• ions

• isotopes

• quarks

• molecules

How many neutrons does the isotope below have?     ⁸⁹ ₃₆Kr

• 53
• 36
• 89
• 125

Which subatomic particle as no charge, also known as a neutral charge?

• proton

• neutron

• electron

• chakra

What is the center of an atom called?

• The headquarters

• The centrometer

• The hypothesis

• The nucleus

Which subatomic particle does the YELLOW(-) circle represent?

• proton

• neutron

• electron

• nucleus

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons