Chapter 2 Chemistry of Life Review

The weak force of attraction between two water molecules is called a?

An atom of an element with a different number of neutrons

This is the type of chemical bond that KCl (potassium chloride) has

Bonus*What are the four most common elements in the human body by mass?

Trees can get water from their roots to the top of tree because of?

What is the mass number of carbon?

The theory that says all particles are in constant motion

Which element in a water molecule has a partial negative charge?

What kind of molecule is wax?

Why does water exhibit adhesiveness to many substances?

The particles in the nucleus

The smallest particle of carbon that retains all the properties of carbon

This can lower the activation energy of a chemical reaction

What is the solvent in blood?

What is the smallest particle of water that retains all the properties of water?

Why does ice float?

Why does water have surface tension?

Which phase of matter has no definite shape, but a definite volume?

Bonus*The four electrolytes found in powerade/sweat?

What are the reactants in photosynthesis?

How many electrons does it take to fill the second energy level of an atom

Bonus*Does photosynthesis store or release energy?

When Na reacts with Cl to form table salt, Which element has been oxidized?

Anything that has mass and takes up space

A substance made of only one type of atom

An element has 6 protons, 7 neutrons, and 6 electrons, What is its atomic number?

What charge do neutrons have?

What is the name of the enzyme that helps your body digest the sugar in milk?

Water molecules have a partial positive charge, and a partial negative charge, this is called

This is the type of bond between two or more water molecules

When water molecules stick to other water molecules this is?

A charged particle

How many neutrons does carbon-14 have?

What charge would a Na ion have?

Two or more different elements combined in definite proportions...