Name the elements present in a) zinc sulphide b) sodium oxide

109. Give the symbol for each element and electron configuration for each atom. a. nitrogen b. beryllium c. phosphorus d. potassium

What category of elements does krypton gas belong to? A. metals B. metalloids C. non-metals

Charge 3 nC is in a hollow cavity inside a large chunk of metal that is electrically neutral. The total charge on the exterior surface of the metal is

Write the balanced net ionic equation for a solution formed from CaCl2 (aq) and Na2SO4 (aq)

Can matter every be destroyed? Why or why not?

How do i give the number of significant figures in 0.0037 mm

Which of these are ionic compounds?

Which property can be defined as the ability of a substance to be hammered into thin sheets

Select the group of organelles that is common to both plant cells and animal cells. A. nucleus, cytoplasm, ribosomes, chloroplasts B. cell wall, ribosomes, cell membrane, mitochondria C. cytoplasm, mitochondria, cell wall, nucleus D.

A compound is found to have a composition of 70.4% carbon and 29.6% hydrogen, by mass. what is the empirical formula for the compound?