Chapter 2 Chemistry of Life

Which is considered to be the strongest acid?

• pH 14

• pH 2

• pH 7

• pH 1

What is the basic unit of matter?

• compound 
• atom
• molecule
• macromolecule 

Tags

NGSS.MS-PS1-1

Which is considered to be a neutral substance?

• pH of 4

• pH of 9

• pH of 14

• pH of 7

What is the building block of carbohydrates?

• monosaccharides

• glycerol & fatty acid chains

• amino acids

• nucleotides

A substance that cannot be broken down into a simpler substance is called a(an)

• carbohydrate
• protein
• element
• isotope

Which property of water is the cause of surface tension?

• adhesion

• high specific heat

• low specific heat

• cohesion

Which is an example of a nucleic acid?

• sucrose & lactose 
• hormones & antibodies 
• DNA & RNA
• steroids 

What subatomic particle is negatively charged?

• electrons
• protons
• neutrons
• solution

The three particles that make up atoms are

• protons, neutrons, solvents
• protons, electrons, solutions
• protons, neutrons, soltuions
• protons, neutrons, and electrons

Neutrons and protons make up the atom's ________.

• nucleus
• electrons
• solvent 
• solution

Tags

NGSS.HS-PS1-8