What happens to the mass of the isotope when it undergoes beta decay

• the mass stays the same

• the mass decreases by four

• the mass increases by four

• the mass decreases by two

Tags

NGSS.HS-PS1-8

If the daughter isotope in has an atomic number of 94, what was the atomic number of the parent isotope before alpha decay?

• 94

• 96

• 95

• 97

Tags

NGSS.HS-PS1-8

Which of the following radioactive decays gives off the least penetrating particle?

• alpha radiation

• beta radiation

• gamma radiation

Tags

NGSS.HS-PS1-8

Which noble gas should be used for Europium during a noble gas configuration?

• Xe

• Rn

• Kr

• None

Tags

NGSS.HS-PS1-1

What is the strongest intermolecular force possible for this molecule? NBr₃

• LDF

• Dipole-dipole

• Hydrogen Bond

• Covalent bond

What is the temperature of a 5.00L container of gas when the pressure is set to 600.00 torr and contains 3.45 mol? (PV=nRT) (R=62.4 bc of torr)

• 13.9

• 14.0

• 1.39

• 870.

Based on kinetic molecular theory, which of the following describes the particles of an ideal gas?

• the particles do not exert attractive forces on each other

• the particles attract each other

• the particles move in very orderly patterns

• the particles lose energy when colliding with something.

how are electrons arranged in a metallic bond?

• evenly throughout the sample

• scattered and disordered

• extremely ordrered

• there are no electrons in metallic bonds

Bonding where electrons are donated and received

• ionic

• covalent

• metallic

• hydrogen

metal + nonmetal is which type of bond?

• ionic

• covalent

• metallic

• hydrogen