What is an atom and an element

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

In the compound MgCl2MgCl2, the subscript 2 indicates that

Animals that put all their weight on one toe are able to run more quickly across smooth, solid ground. Shortly after grasslands appeared, horses adapted to eating grass.

The nh2cl model consists of balls and sticks. the electrons in the molecule are paired, and each stick represents a valence electron pair. how many sticks do you need?

Use the periodic table to write the electron configuration for rubidium (Rb) in noble has notation

Which of the following choices are types of energy? (Select all that apply) cube energy visible energy nuclear energy kinetic energy

Hanna hypothesizes that granite is denser than sandstone. How can Hanna test her hypothesis?

It is possible to determine the environment of sedimentation for various sand dunes by

Which change results in the formation of different substances? (1) burning of propane (2) melting of NaCl (s) (3) deposition of CO2 (g) (4) solidification of water

Suppose that a solid cube of some material floats on the surface of an oil puddle at a service station with 75.1 % of its volume submerged. The density of the oil is 923 kg/m 3. What is the density of the cube's material