How do I know how many electrons an element has to gain and l

ose to become stable

What is required to contain warnings, after several studies that have shown that they are a suffocation risk?

Which of the following processes requires more heat energy? a. raising the temperature of 100. g of water by 10.0 °C b. raising the temperature of 50. g of water by 10.0 °C?

Which of the following describes the correct order for relative solubility of minerals in sedimentary rocks? a. Evaporate minerals, quartz, and calcite all have the same relative solubility. b.

Covalent bonding (with an electronegativity difference below 0.5) results when fluorine bonds with A. hydrogen. B. fluorine. C. potassium. D. iodine i think its b, but i wanted to make sure

When repeated measurements of the same quantity are very close to one another they are

What is a covalent bond?

Which statement describes how the binary ionic compound CaCl2 is named? The nonmetal is named first, and the ending is replaced with - ide. The metal is named first, and the ending is replaced with - ide.

Calculate the empirical for the molecular formula mass and the molar mass of each of the following minerals: (a) Limestone, CaCO3 (b) halite, NaCl (c) beryl, Be3Al2Si6O18 (d) malachite, Cu2 (OH) 2CO3 (e) turquoise, CuAl6 (PO4) 4 (OH) 8 (H2O) 4

How is a suspension different from a colloid?

What is the atomic number of 232Th