The atomic weight of this radioactive element is equal to the produc of 7 and 14

Chemistry

2 answers:

earnstyle [38]3 years ago

5 0

Answer: Krypton

Explanation:

7(14)=84

Krypton, if you look at the periodic table, has an atomic mass of approximately 84. It has a large nucleus, so while it is stable (due to its full octet) the nucleus is probably unstable due to repulsive forces between protons in the nucleus so is probably radioactive.

aniked [119]3 years ago

3 0

Answer:

Answer: Krypton

Explanation:

7(14)=84

You might be interested in

Which statement describes an eletron

Vitek1552 [10]

An electron carries a negative power to the atom. in each atom, the amount of protons and electrons are usually evened out so the atom is stable. the electrons of an atom are also found on the outside ring of an atom, unlike protons and neutrons, which are inside the atom. glad to help! :)

4 0

4 years ago

38 When a sample of a gas is heated in a sealed, rigid container from 200. K to 400. K, the pressure exerted by the gas is

Kryger [21]

Increased by a factor of 200

8 0

3 years ago

What is the energy of light with a wavelength of 697 nm?

USPshnik [31]

Answer:

Red 697 nm

384thz-468 the

1.59ev-1.94ev

255zj-310zj

Hopefully I answer yre question

Explanation:

8 0

3 years ago

2. Calculate the mass of 5.35 mole of H2O2.

Dmitry_Shevchenko [17]

Answer:

5.35m H2O2 x 34.02g/1m H2O2 = 182g H2O2

Explanation:

6 0

3 years ago

Ethanol melts at -114 °C and boils at 78 °C.

Aliun [14]

A) solid
b)liquid
c)liquid
d)gas

5 0

3 years ago