At what phase change does a substance change from solid to gas or steam without first changing to liquid?

A) sublimation

B) statement

C) vaporization

D) melting

What is the inferred pressure, in million of atmospheres, in Earth's interior at a depth of 2900 kilometers?

Which statement describes KCI (aq) ?

Phosphorus has three isotopes, 31p, 32p, and 33p. the atomic number of phosphorus is 15. how many protons does each of the isotopes have

Dylan changed a formless pile of sand into a sand castle. What other natural materials can be changed into art

3. What information about a representative element can you get from just knowing its group number? the number of electrons it has in the highest occupied energy level

K20 ionic or covalent

Give the four symbols for physical states of reactants and products, and tell what each means.

Which element is more electronegative, sulfur or nitrogen?

How does igneous rock become metamorphic rock?

The atomic mass oftitanium is 47.88 atomic mass units This atomic mass represents the 1) total mass of all the protons and neutrons in an atom of Ti 2) total mass of all the protons, neutrons, and electrons in an atom of Ti 3) weighted average mass