Bonds
Water
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100

Which subatomic particle can travel to form bonds between atoms?

What are electrons?

100

The positive side of one water molecule is attracted to the negative side of a neighboring water molecule. This attraction of water to water is called …

What is cohesion?

100

Organic chemistry involves molecules with which element?

What is carbon?

100

What is the basic unit of matter that makes up everything, both living and nonliving?

What is an atom?

100

On the pH scale, blood would be considered...

What is neutral?

200

___?___ are made up of atoms combined in a specific proportion.  They have different properties than the atoms that form them.

What are compounds?

200

Which two properties of water work together to make it possible for trees to move water from the soil all the way to their uppermost branches and leaves?

What is cohesion and capillary action?

200

Which biomolecule is made of chains of nucleotides, and carries the genetic code in DNA and RNA?

What are nucleic acids?

200

Which subatomic particle has a positive charge and is located in the nucleus?  

What is a proton?

200

Convert 4L to mL

What is 4,000mL?

300

Which type of sharing bond do the two hydrogen atoms form with one oxygen atom to make water? They are sharing valence electrons.

What are covalent bonds?

300

The electrons shared in a water molecule spend more time at the oxygen side, making the oxygen side slightly negative and the hydrogen sides slightly positive.  What is this characteristic called?

What is polarity?

300

Which biomolecule is made of chains of amino acids, has a large variety of functions including being enzymes, structure for hair and nails, and has 4 levels of structure?

What are proteins?

300

Which subatomic particle has a neutral charge and is located in the nucleus?

What is a neutron?

300

Approximately how many of the 118 elements in the periodic table are commonly found in organisms?

What is 20?

400

Which type of bond occurs when an atom loses an electron?

What is an ionic bond?
400

Water also has a tendency to stick on substances such as glass and plastic.  This attraction of water to other substances is called …

What is adhesion?

400

Which biomolecule is made of C, H, and O in a ratio of 1:2:1, and is made up cellulose plant fiber, energy storage as glycogen in animals and starch in plants?

What are carbohydrates?

400

Which subatomic particle has a negative charge and is rapidly encircling the nucleus?

What is an electron?

400

“___?__ isotopes” have unstable nuclei that can break apart without warning.

What are radioactive?

500

Which type of weak bond forms between different water molecules?

What is a hydrogen bond?

500

It takes a large gain or loss of heat to cause water to change its temperature.  This property of water is called …

What is high heat capacity?
500

Which biomolecule is made of C, H, and O in the form a a fatty acid chain, provides long term energy storage, waterproof coating for fur and feathers, and is the main structure of cell membranes?

What are lipids?

500

Which two subatomic particles make up the atomic mass in an element box?

What are protons and neutrons?

500

What do we call weak acids or bases that react with strong acids or bases to prevent sudden changes in pH levels?

What are buffers?