<h2><u>Answer:</u></h2>
The correct answer is A) 1.04 mol Cu
{65.8 g / 63.55 g/mol}
= 1.04 mol Cu
Explanation:
In 63.55 g of copper metal there are 1 m
o
l of C
u atoms. By dividing the mass of Cu and molar mass, we can easily get the number of moles.
The element with 4 protons in the nucleus in Beryllium.
Answer: A
Explanation: Protons and neutrons form the nucleus of the atom, with electrons orbiting it.
FLOOR. Most of the molecules that dont sick to something fall on the floor so most would be on the FLOOR.
