Which organic compound builds, maintains, and replaces tissue in your body? A. protein B. carbohydrates C. lipids

What happens to the electron configuration when you move across a period to the right?

Hydrogen is a gas at a room temperature, but it is found with the alkali metals in group 1 (1A) on the periodic table. Which is the most likely reason hydrogen is grouped with alkali metals?

In the formula for water H2O what is a subscript 2 indicate?

Round to the nearest whole number of 99.59

1. A sample of radon has a half-life of 15 hours. What fraction of the sample is left after 60 hours have passed?

What's the difference between a cation and an anion

Which element has the fewest valence electrons available for bonding? iodine aluminum carbon nitrogen

What is the total value of a small digit in 94257

what is the density of a substance that has a mass of 2.0 g, and when placed in a graduated cylinder the volume rose from 70 mL to 75 mL

A block of lead has dimensions of 4.50cm by 5.20cm by 6.00 cm. The block weighs 1587 g. From this information, calculate the density of lead.