Gr9 Inside the Atom 4

The release of energy from an atom is called:

• Radiation
• Irradiation
• Raddiation
• Rediation

Forms of atoms with different numbers of neutrons are called:

• Isotopes

• Isotypes

• Isertopes

• Isertypes

When an atom decays spontaneously, it is said to be:

• Unstabel
• Instable
• Unstabal
• Unstable

A type of radiation is:

• Alpha
• Alfa
• Alpher
• Alfer

A type of radiation is:

• Beata
• Berta
• Beater
• Beta

A type of radiation is:

• Gama
• Gamer
• Gamma
• Gammer

An example of a radioactive element is: 

• Uraneum
• Uranium
• Urranium
• Yuranium

Most elements DO NOT change.

• True
• False

Tags

NGSS.MS-PS1-5

Some ELEMENTS can decay over time.

• True
• False

Tags

NGSS.HS-PS1-8

The rate of decay of any radioactive element CHANGES FREQUENTLY.

• True
• False

Tags

NGSS.HS-PS1-8