Match the element with its description.

Sodium A) Nonreactive gas

Silicon B) Has properties of both metals and nonmetals

Bromine C) Highly reactive gas

Argon D) Malleable, soft, and shiny

Which is smaller a proton, nucleus, or a compound?

If the water table is not too deep, how do plants tap into it?

Which of the following is an essential condition for a redox reaction? a. The reactants should be two elements. b. The reactants should be two compounds. c. The oxidation state of all the atoms should change. d.

Which of the following is altered by a catalyst? A. difference between the energies of products and reactants B. average kinetic energy of products C. average kinetic energy of reactants D. activation energy

The formulas for elements never contain a subscript true or not true

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda