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15 questions
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- 1. Multiple Choice
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
- 2. Multiple Choice
What subatomic particle changes in an ion?
The number of electrons
The number of protons
The number of neutrons
- 3. Multiple Choice
What type of atom is element C?
Normal atom
Ion
Isotope
- 4. Multiple ChoiceSodium has an atomic number of 11, how many protons does this atom have?2211122
- 5. Multiple ChoiceSmall positively charged particles that are found in the nucleus of an atomneutronionprotonelectron
- 6. Multiple Choice
What is the picture displayed?
atom
element
compound
- 7. Multiple ChoiceHow many elements are in C6H12O6?1234
- 8. Multiple ChoiceHow many Hydrogen atoms are in Water (H2O)1234
- 9. Multiple ChoiceWhat term is used for the joining of atoms to form new substances?valence electronsphysical bondingenergy levelchemical bonding
- 10. Multiple ChoiceWhich of these items is made up of one or more molecules?GoldHydrogenSaltNeon
- 11. Multiple Choice
How would H2O be classified? Check all that apply.
Atom
Molecule
Compound
- 12. Multiple Choice
How would O2 be qualified. Check all answers that apply.
Atom
Molecule
Compound
- 13. Multiple Choice
How many valence electrons ae in the element Carbon?
2 electrons
6 electrons
4 electrons
None of the above
- 14. Multiple Choice
What is an ion?
An atom that has gained or lost an electron.
An atom that has gained or lost a neutron.
An atom that has gained or lost a proton.
An atom that is electrically neutral.
- 15. Multiple Choice
Are these molecules also compounds?
YES
NO
- Answer choicesTagsAnswer choicesTags