20% humidity is a low level which means there would be less of a chance of it

raining.

A. True

B. False

Iron nails are often coated with paint or zinc to reduce rusting. Iron usually rust when getting in contact with which of the following? CO2 H2 N2 O2

Which type of atom has the strongest attraction for electrons in bond formation

Identify each element below, and give the symbols of the other elements in its group: (a) [He] 2s²2p² (b) [Ar] 4s²3d³ (c) [Ne] 3s²3p³

Describe the motion of the tiny particles that make up matter.

Which phrase best indicates the appropriate audience?

Is phosphorous an atom, element, or compound

A noble gas consists of three isotopes of masses of 19.99 amu, 20.99 amu, and 21.99 amu. the relative abundances of these isotopes are 90.92%, 0.257%, and 8.82% respectively. what is the average atomic mass of this noble gas? what noble gas is this?

Adding iron filings to sand

Which of the following sets of empirícal formula, molar mass, and molecular formula is correct?

Hexane and hexene are hydrocarbon compounds from different homologous series. the combustion of these two compounds produce different amount of soot. explain the difference based on the percentage of carbon by mass.