What is the name of CaCO2

Four people weigh a standard mass of 10.00g on the same balance. Which of the following sets of readings suggests measurements that are neither precise nor accurate

A 40.0 L balloon is filled with air at sea level (1 atm @ 25 oC). It is then tied to a rock and thrown into a cold lake and it sinks to the bottom! When it reaches the bottom of the lake the temperature is 4.

how many valence electrons are found in most atoms of noble gases use this information to explain why the noble gases are unreactive

1. What type of compound is Al2 (SO4) 3? a. ionic b. metallic c. polyatomic d. covalent

Why is asexual reproduction simpler in prokaryotes?

Looking at the diagram showing hydrochloric acid being added to water. Which statement best explains what is taking place

How many dozens of particles of dust are in 2.45 grams if each dust particle has a mass of 2.51 x 10-4 grams?

What is the number of mole equivalents of H2 produced by the reaction of 1 mole equivalent of Mg (m) with H2SO4 (aq) ?

For two variables in a direct proportion, what is the result of doubling one variable? the other variable is doubled the other variable is halved the other variable stays constant

Electrons located in the outermost shell of an atom are called