Which criterion is used to arrange the elements in columns on the periodic table?

Explain why magnesium hydroxide has the formula Mg (OH) 2

What semimetal can form four single covalent bonds.

What is the starting molecule for glycolysis?

If 0.520 mol nitrogen has a volume of 17.0 L at some temperature and pressure, what volume would 0.750 mol carbon dioxide have at the same temperature and pressure?

3) If an electrical appliance has 150.0 V applied causing a current of 2.34 amps, what is the resistance of the appliance?

Nitrogen molecules rest with oxygen molecules. Nitrogen monoxide molecules are made. N2 + O2 → 2NO Nitrogen molecules and oxygen molecules react extremely slowly, even at 200°C.

What is the name of an object containing both elements #29 and 30 with element #30 in the center surrounded by element #29?

Check every statement about the use of energy by living things that is true. Plants perform chemical reactions that require energy. Animals can use energy from the sun to produce their own food. Plants receive their energy from water in the soil.

Type of bond between na+1 ion and Cl-1 ion is ion

Does a liquid release energy or absorb energy when it changes into a gas? into a solid?