Topic 1 - Atomic Structure and the Periodic Table

Question 1

what are the charges of protons, neutrons, and electrons

Answer 1

proton +1
netron 0
electron -1

Question 2

what does the number of protons equal to

Answer 2

the number of protons equals to electrons

Question 3

what does the atomic number tell you and where is it found

Answer 3

tells you the how many protons and it is found the bottom left of the element symbols

Question 4

what does the mass number tell you and where is it found

Answer 4

tells you the total number of protons and neutrons. found top left of the element

Question 5

how do you find the number of neutrons

Answer 5

atomic number - mass number

Question 6

what are isotopes

Answer 6

isotopes are elements with different forms of the same element. different number of neutrons.

Question 7

what are mixtures

Answer 7

they have no chemical bond

Question 8

what happens if group one element react with water

Answer 8

it produces hydrogen gas

Question 9

what happens if group one elements react with chlorine

Answer 9

it produces salt

Question 10

what gas does group one element react with

Answer 10

oxygen

Question 11

what can halogens (group 7 element) form

Answer 11

they can form molecular compounds

Question 12

what can halogens (group 7 element) form with metals

Answer 12

they form ionic bonds

Question 13

what are the patterns of the noble gases

Answer 13

as you go down higher boiling point