Match each element with the element that is most similar to it. If you don't know the answer, use this periodic table e to help you make your best guess.
Drag the tiles to the correct boxes to complete the pairs.
sodium
chlorine
boron
krypton
neon
cesium
indium
iodine

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer