Bases have a pH of

a. more than 7

b. less than 7

c. 7

What are five characteristics of a group on the periodic table?

Identify the characteristics of earth that makes it a special place

The area where the river enters the larger body of water is known as a Question 3 options: ox bow tidal flat stream delta

Which elements contain atoms that form colored ions and have more than one positive oxidation state

Rain occurs after water has evaporated from the Earth's surface. Which of these is the main source of water on the Earth's surface?

Prokaryotes that can cause diseases are in what domain

This metal is very reactive, has properties similar to magnesium, and is in the same period as bromine. What element is this?

Name two ways that living things use proteins

Solid lithium metal and diatomic fluorine gas react spontaneously to form a solid product. give the balanced chemical equation (including phases) that describes this reaction.

What is the best way to transform a chemical potential energy into internal kinetic energy?