Atomic <span>mass gold = 196.96 u.m.a
196.96 g ------------------ 6.02x10</span>²³ atoms
112 g ---------------------- ( atoms)
atoms = 112 x ( 6.02x10²³) / 196.96
atoms = 6.74x10²⁵ / 196.96
= 3.42x10²³ atoms
hope this helps!
Answer:
A group 1
Explanation:
Group 1
reactivity <u>decreases</u> as you go from L to R or downward on the periodic table
Answer:
When a mixture of water and alcohol boils, the vapors are a mixture of water vapor and alcohol vapor
There are three dots in a boron atom.
