Fundamental Chemistry

Question 1

What does the nucleus contain?

Answer 1

1. Protons
2. Neutrons

Question 2

What is an isotope?

Answer 2

Atoms with the same number of Protons, but different number of Neutrons

Question 3

What is mass spectroscopy?

Answer 3

Mass spectroscopy shows the existence of isotopes and their relative abundances

Question 4

What is an ion?

Answer 4

An atom or molecule with a net electronic charge due to the loss or gain of electrons

Question 5

What is the molecular formula for ammonium?

Answer 5

NH4+

Question 6

What is the molecular formula for hydronium?

Answer 6

H3O+

Question 7

What is the molecular formula of the hydroxide ion?

Answer 7

OH-

Question 8

What is the molecular formula of the Nitrate ion?

Answer 8

NO3-

Question 9

What is the molecular formula of the Cyanide ion?

Answer 9

CN-

Question 10

What is the molecular formula of the Carbonate ion?

Answer 10

CO3 (2-)

Question 11

What is the molecular formula of the sulfate ion?

Answer 11

SO4 (2-)

Question 12

What is the molecular formula of the Phosphate ion?

Answer 12

PO4 (3-)