You are holding two balloons of the same volume. Balloon A contains 4.0 g of helium gas. Balloon B contains neon gas. Mass of neon gas in Balloon B is-4.0 g according to Avogadro's Law.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.