Carbon atomic number ⇒ 6
Carbon mass number ⇒ 12.

Carbon atomic number - Carbon mass number = number of neutrons.
12 - 6 = 6 neutrons.

Proton charge ⇒ +1

The total charge of the nucleus of a carbon atom ⇒⇒⇒ +6.

So the naswer is (3) +6

3 0

3 years ago

What is another name for a chemical change? A. chemical spill B. physical change C. physical property D. chemical reaction

Elenna [48]

The correct answer is D. chemical reaction.

5 0

3 years ago

If normal rainwater has a pH of about 6.50, what is the hydrogen ion concentration, [H+]?

IceJOKER [234]

Answer:

.000000316

Explanation:

H+=10^-pH

6 0

3 years ago

An empty beaker is weighed and found to weigh 23.1 g. Some potassium chloride is then added to the beaker and weighed again. The

GuDViN [60]

Answer:Mass of Potassium chloride =1.762g

Explanation:

Mass of empty beaker = 23.100 g

Mass of beaker with Potassium chloride = 24.862g

Mass of Potassium chloride = Final weight - initial weight = Mass of beaker with Potassium chloride - Mass of empty beaker = 24.862-23.100 = 1.762g

8 0

3 years ago