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Match it!
Match it! Select the correct answer from the pull down...Good luck!
The way Earth moves about the sun is most like ______.
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
The four most common elements found in living things are
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
Why is water considered a polar molecule?
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
All atoms of an element have the same number of ______.
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
The second electron shell of an atom can hold a maximum of ______ electron(s).
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
Isotopes of an element have the same number of ______ and different numbers of ______.
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
The hydrogen atoms and oxygen atom of a water molecule are held together by ______ bonds.
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium atom?
8
5
an electron moving around the nucleus of an atom
protons
covalent
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
protons... neutrons
carbon, oxygen, nitrogen, and hydrogen.
Check it!