Chemistry, 14.10.2019 03:20, kmart4062

Which choice correctly describes the subatomic particles in the isotope 45ca?

a. 20 protons, 20 electrons, 25 neutrons

b. 25 protons, 20 electrons, 24 neutrons

c. 20 protons, 20 electrons, 24 neutrons

d. 20 protons, 24 electrons, 20 neutrons

i think its a. correct me if i am wrong. you.

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 23:30, jescanarias22

What’s the scientific notation for the number 6,840,000,000

Answers: 1

continue

Chemistry, 22.06.2019 10:30, officialalex6330

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o

Answers: 1

continue

Chemistry, 22.06.2019 12:00, angtrevv

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Answers: 1

continue

Chemistry, 22.06.2019 12:10, kaitlynbernatz2778

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Answers: 3

continue

Do you know the correct answer?

Which choice correctly describes the subatomic particles in the isotope 45ca?

a. 20 pro...