Atoms flashcards #1

Question 1

The atomic symbol of Hydrogen is

Answer 1

H

Question 2

The atomic number gives you the number of what?

Answer 2

protons

Question 3

The number of protons is also equal to what number?

Answer 3

the number of electrons

Question 4

The number of protons + the number of neutrons is known as

Answer 4

The atomic mass(AMU)

Question 5

To deternine the number of neutrons you would do what?

Answer 5

Subtract the number of protons from the atomic mass

Question 6

The charge of a proton is

Answer 6

postive

Question 7

The charge of an electron is

Answer 7

negative

Question 8

Which sub-atomic particle has no charge?

Answer 8

neutron

Question 9

Which has more mass Oxygen(O2) or Carbon Dioxide(CO2)? How do you know? think introduciton.

Answer 9

The carbon dioxide, from the vingegar and sodium bicarbonate, fell down out of beaker, pushing Oxygen out of the way of the flame, this put the flame out.

Question 10

If an element has 6 protons, how many electrons does it have?

Answer 10

6

Question 11

If an element has an atomic mass of 13 and an atomic number of 7, how many protons does it have?

Answer 11

7, the atomic number is the number of protons