How do i make chrystals using home suppplies

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.