Honors atom biomol. etc test review10.3.23

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

electrons have this type of charge?

• negative
• positive
• neutral

What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?

• 22
• 11
• 34
• 23

A neutral atom of the isotope ²⁶₁₂Mg would consist of

• 12 protons, 26 neutrons, 26 electrons
• 26 protons, 12 neutrons, 26 electrons
• 26 protons, 14 neutrons, 14 electrons
• 12 protons, 14 neutrons, 12 electrons

What are the FOUR most common elements in living things?

• Carbon

• Silicon

• Nitrogen

• Hydrogen

• Oxygen

What is the function of carbohydrates?

• Perform cell's functions/tasks

• Fast energy

• Energy storage

• Alter other biomolecules

• Store information for cells