Chemistry of Life

Chemistry of Life

Source: https://courses.lumenlearning.com/wm-nmbiology1/chapter/powerpoints/

Multiple Choice

Which of these statements best describes a molecule?

• All molecules must contain carbon and oxygen.
• All molecules must have two different elements.
• All molecules are made up of two or more atoms
• All molecules must have at least three different atoms.

Multiple Choice

Zane is making a chart of compounds that are found in the human body. What is the most common compound found in the human body?

• H2O   
• CO2
• Sodium Bicarbonate (baking soda)
• NaCl (table Salt)

Multiple Choice

What are the four elements that all life is made up of?

• Hydrogen, Oxygen, Nitrogen and Carbon
• Helium, Oxygen, Neon and Carbon
• Hydrogen, Titanium, Carbon, Nitrogen
• Oxygen, Chlorine, Iron, Nitrogen

Multiple Choice

What is the smallest unit of matter that cannot be broken down by chemical means?

• Atom
• Element
• Ion
• Isotope

Multiple Choice

Water is polar and oil is nonpolar.

• True
• False

Multiple Choice

^{_{Substances formed by a chemical reaction}}

• products
• reactants
• coefficients
• solution

Multiple Choice

Bond created by the sharing of electrons

• Ionic Bond
• Hydrogen Bond
• Covalent Bond
• van der Waals

Multiple Choice

_{Bond created by electrical attraction between atoms (+ and -)}

• Ionic bond
• Covalent bond
• Hydrogen bond
• van der Waals

Multiple Choice

_{Atoms having the same number of protons but different numbers of neutrons}

• molecule
• atom
• compound
• isotopes

Multiple Choice

_{The space surrounding the nucleus of an atom contains}

• protons
• electrons
• neutrons
• ions

Multiple Choice

_{What particle is found in the nucleus and has no charge?}

• electron
• neutron
• proton
• atom

Multiple Choice

_{Which of the following is NOT true of atoms?}

• They are composed of molecules.
• They can combine with other atoms.
• They make up elements
• They are extremely small