A tool used to measure weight

Which pair of elements has the most similar properties? a. K and He b. Li and B c. I and Ca d. N and P

Each particle contained in hydrogen gas is made up of two identical hydrogen atoms chemically joined together. hydrogen gas is

Examine the three listed elements of Group 13. boron (B), aluminum (Al), gallium (Ga) If boron has two energy levels, then how many energy levels do the other two elements have? Aluminum and gallium both have two energy levels.

Formed when chemicals in the air get into rain and up the acidity levels

Most trans-fats are artificially made are considered unhealthy ... True. False.

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