Physical Science - Test 10

What are substances formed of a single type of atom?

• pure substance
• solution
• compound
• mixture

Which type of decay occurs when an excited nucleus releases energy without a change in the number of protons or neutrons?

• gamma decay
• alpha decay
• beta decay

Tags

NGSS.HS-PS1-8

What are substances composed of atoms of two or more elements bonded together?

• compounds
• elements
• mixtures
• solutions

Tags

NGSS.MS-PS1-1

Which particles are in the dense central core of an atom?___________________ and

• proton
• neutron
• electron
• nucleus

Tags

NGSS.MS-PS1-1

What is the process of combining two nuclei to form a heavier nucleus?

• fusion
• fission
• radioactive decay
• half-life

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the number of protons in the nucleus?

• atomic number
• atomic mass number
• isotype
• Pauli exclusion principle

What are atoms of the same element with different mass numbers?

• isotopes
• isomers
• compounds
• ions

What is an atom that has an electric charge?

• ion
• isotope
• compound
• iosmer

Tags

NGSS.MS-PS2-3

What is the total number of protons and neutrons in the nucleus?

• atomic mass number
• atomic number
• isotype
• quantum theory

What states that tiny particles like electrons do not absorb or release energy in a smooth flow but in specific amounts?

• quantum theory
• Pauli exclusion principle
• Heisenberg Uncertainty principle
• chemistry