Which is not the name of a family on the periodic table a) Halogens
b) Noble Gases
c) Alkali Earth Metals
d) Actinides

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.