How an atom reacts chemically depends on how willing it is to share electrons with others.
It’s electrons
The vertical columns are groups
The horizontal rows are periods
6.4 times 10^-7 is the answer because you are moving your decimal places to the left so it will be negative 7
How many protons are in an isotope of sodium with a mass number of 25? 11
A) Ca(OH)2 + CO2 —> CaCO3 + H2O
B) when Ca(OH)2 is reacted with CO2, the CaCO3 produced is a precipitate which turns the solution milky