Count the total number of atoms in NH 3 :

Round off the measurement to three significant figures 12.17º C

What is the smallest division on this balance? 1 g 0.1 g 0.01 g 0.001 g

A tool to measure forces such as weight or friction

A story on chemical reaction or electric current

The discipline of chemistry has made agricultural chemicals, such as fertilizer and pesticides, available to society. Which is a negative effect of these chemicals on society?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.

What effect does nuclear radiation have on atoms? It splits atoms. It burns atoms. It ionizes atoms.