Use the periodic table to identify the name of atomic number for each element below. (give the name not the chemical symbol for each element)

Hafnium-72

15-Phosphorus

45- Rhodium

Osmium-76

Magnesium-12

Explanation:

Explanation:

Hafnium is a transition element and belongs to period six. It's atomic number is 72.

Element with atomic number 15 belongs to group 5 and period third. Name of this element is phosphorous. Symbol that represents phosphorous is P.

Element with atomic number 45 is a transition element and it belongs to period 5. Name of this element is rhodium and it is represented by the symbol Rh.

Osmium is also a transition element and belongs to period six. It's atomic number is 76.

Magnesium is a group 2 element and belongs to third period. Atomic number of magnesium is 12.

Hence, we can conclude that complete information in the given table will be as follows.

hafnium : atomic number 72

phosphorous : atomic number 15

rhodium : atomic number 45

osmium : atomic number 76

magnesium : atomic number 12

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

cuz he is really really short, assuming an unorthodox and inherently unlucky configuration of elevator buttons…

explanation: