Atoms, Ions, Isotopes

Front

What is the charge of this element? Options: 11, -1, +1, 1, 12

Back

+1

Front

How many ELECTRONS does copper have if it has the following charge: Cu²⁺? Options: 64, 35, 27, 29

Back

27

Front

How many ELECTRONS will iron have if it has the following charge: Fe³⁺ ?

Back

23

Front

How many PROTONS does nitrogen have if it has the following charge: N^3-?

Back

7

Front

What is the number of neutrons? Options: 34, 79, 45, 35

Back

45

Front

Which of the following are isotopes?
a) ¹⁴ ₇X
b) ¹⁴ ₆X
c) ¹⁵ ₇X
d) ¹⁵ ₈X

Back

¹⁴ ₇X and ¹⁵ ₇X

Front

How is carbon-12 different from carbon-14?

Back

They have a different number of neutrons.

Front

_______ are atoms with the same number of protons but varying numbers of neutrons.

Back

isotopes

Front

The positive particles of an atom are: electrons, positrons, neutrons, protons

Back

protons

Front

Particles in an atom that are neutral and have no charge are: negatrons, electrons, neutrons, protons

Back

neutrons