Question

1. give the symbol and number of protons in one atom for each of the following elements:

element	symbol	# of protons
bromine	br	35
iron	fe	26

|copper|
|oxygen|
|mercury|

Explanation:

Step1: Recall element symbols and proton - counts

Copper symbol is Cu, has 29 protons. Oxygen symbol is O, has 8 protons. Mercury symbol is Hg, has 80 protons.

Answer:

Element	Symbol	# of protons
Oxygen	O	8
Mercury	Hg	80