Among the elements of the main group, the first ionization energy increases

a. from left to right across a period.

b. from right to left across a period.

c. when the atomic radius increases.

d. down a group.

The transfer of heat between two substance that are in direct contact is called

What happens when two atoms form a chemical bond? A) Two atoms fuse together to form a chemical bondB) The atoms share or transfer electronsC) A chemical bond forms when two atoms transfer or share protons to achieve a stable nucleusD) Like charges

Consider a 1.0-l flask containing neon gas and a 1.5 l flash containing xenon gas. both gases are at the same pressure and temperature. according to avogadro's law, what be said about the ratio of the number of atoms in the two flasks?

Marco has a length of copper wire that he knows is 435 cm long. How many meters long is his wire? 43.5 m 4.35 m 4,350 m 0.435 m

If an atom donates or accepts an electron, what is it considered

A hydrocarbon with only single bonds is classified as a. an alkene. b. an alkyne. c. saturated. d. unsaturated.

What is the name of the scientist who discovered the electron

A hypothesis can be described as Question 1 options: a law. a wild guess. a theory. a plausible explanation.

Which sequence of processes must occur for an atom of carbon to go from a human to a car? a. Respiration, photosynthesis, decompiosition b. Fossilization, decomposition, respiration c. Photosynthesis, combustion, respiration d.

Which of the following is accurate when discussing specific heat? A. Specific heat values for liquids will never vary for different ranges of temperature. B. The specific heat of a gas may be measured at constant pressure. C.