Which of the following pairs of elements belong to the same group

A. H and He

B. Li and Be

C. C and Pb

D. Ga and Ge

What is an formed when liquid reactants

What does it mean to accept or donate proton

Describe why the Cenozoic is called the age of mammals. lol

Why doesn't a solar or lunar eclipse happen every month? The phases of the moon take one year to complete their cycles, so eclipses happen only once a year. The moon's orbit is slightly tilted with respect to Earth, thereby preventing eclipses.

An atom that loses or gains electrons is called an A. Isotopes B. Proton C. Neutron D. Ion

Penny bought a club moss plant for her water garden. She needs to know how tall the plant will grow so she knows how much space it will need.

Which of the following is not a producer? Mushroom Tulip Grass Pine Tree

Phosphorus forms a number of oxohalides, x3po, in which x may be a f, cl, or br atom. the most common of these, phosphoryl chloride, is obtained as follows:

Which statement is true about the speed of light waves in a medium? a. Depends on the temperature of the light wave b. Decreases with a decrease in density of medium c. Decreases with an increase in density of medium d.

What's a certain indicator that a molecule is polar? the molecule has a nonpolar covalent bond and the dipole is cancelled due to symmetrical arrangement of atoms the molecule has a polar covalent bond and the dipole is cancelled due to symmetrical