Is calcium disodium ionic or covalent?

One half of a balanced chemical equation is shown. 3Mg (OH) 2 + 2H3PO4 Which lists the numbers of each atom the other half of the equation would contain? 3 Mg, 2 P, 14 O, 12 H Mg, 2 P, 14 O, 6 H 3 Mg, 8 P, 7 O, 6 H 6 Mg, 6 P, 2 O, 12

Write the complete electron configuration for the common monatomic ion formed by the element calcium, ca.

a student places a sample of white sodium bicarbonate powder in a test tube and heats it. The student observes that the sodium bicarbonate undergoes a chemical change. After the change, what must be true about the substance in the test tube?

Why are metals conductive?

How old is a fossil that has radioactivity decayed through 4 half-lives of carbon - 14?

What is limiting reajent?

What elements react the most? Like have the most reactivity.

A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?

A rock is placed into water and the volume of water increase 15ml. what is the density of the rock if it had a mass of 24.3 grams.

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.