Hardness is related to:

specific gravity

surface roughness

size of the sample

strength of chemical bonds

Which particles determines the name of the element?

When aluminum is mixed with iron ii oxide iron metal and aluminum oxide?

An incomplete chemical equation is given here. Which set of numbers, placed in the blanks as the coefficients, will balance the equation shown? __HCl + __Na2CO3 → __H2CO3 + __NaCl 1, 2, 1, 2 2, 1, 2, 1 2, 1, 1, 2 2, 2, 1, 1

In terms of weathering, explain what will happen to a set of metal tools left outdoors in the rain for a long time?

Potassium atoms contribute one eletron to metallic bonding, but calcium atoms contribute two eletrons. Explain which metal is likely to be harder

What's the difference between volcano and vent

A marshmallow has an initial volume of 0.084 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.785L, what is the pressure inside the chamber?

Can you think of another example of energy doing work fill out the table below with your idea

Write the net ionic equation for the reaction between agno3 (aq) and na2so4 (aq). be sure to include states of matter in your answer.

Witch compound has an element ratio of 2:1