Element X has an electron configuration of 2-8-3. This element will combine with the phosphate ion to form a compound with the formula

In words, write out a description of the reaction Na+Cl2=NaCl

Which particles in an atom could demonstrate that opposite charges attract? A. a neutron and an electron B. two protons together C. a proton and a neutron D. a proton and an electron

The reaction between 4-methyl-1-pentanol and pbr3 to yield 1-bromo-4-methylpentane is probably:

Why are significant figures important when gathering data in the laboratory?

Which example best describes the conversion of chemical energy to mechanical energy? A. fuel being combusted to power a rocket B. electricity boiling water C. sunlight warming the ground

What causes lightning? a) thunder b) an electric discharge c) rising warm air d) air masses meeting

In a problem, you are given two pressures and one temperature at constant volume and amount of gas. You are asked to find a second temperature. What law should you use?

How many cups are in a 5-lb. bag of flour?

How is oxygen separated from other substances nearby?

What is the definition of solution in chemistry