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WorksheetsBiochemistry - Reading symbols and periodic table
Total questions: 15
Worksheet time: 1hrs 15mins
The letter (A) is pointing at the _________________.
atomic mass number
element symbol
atomic number
The letter (B) is pointing at the _________________.
atomic mass number
element symbol
atomic number
The letter (C) is pointing at the _________________.
atomic mass number
element symbol
atomic number
The atomic number tells the number of ____________________ in the atom.
protons
electrons
neutrons
both protons and neutrons
The atomic mass number tells the number of ____________________ in the atom.
protons
electrons
neutrons
both protons and neutrons
The element in this symbol is _________________.
carbon
chromium
cobalt
copper
The number of protons in an atom is equal to the number of ____________________ in the atom.
protons
electrons
neutrons
both protons and neutrons
The diagram is showing three _______________ of carbon.
isomers
isotopes
isotonic
isobars
Carbon 12 has a pen number of (6 P+ , 6 e- , and 6 n').
How many neutrons does Carbon 13 have?
6
7
8
9
Carbon 12 has a pen number of (6 P+ , 6 e- , and 6 n').
How many electrons does Carbon 13 have?
6
7
8
9
Carbon 12 has a pen number of (6 P+ , 6 e- , and 6 n').
How many protons does Carbon 13 have?
6
7
8
9
Carbon has four valence electrons. What type of bond does carbon form with other elements?
covalent
ionic
hydrogen
peptide
Covalent bonds ______________ electrons?
share
transfer
Ionic bonds ______________ electrons?
share
transfer
How many valence electrons does this atom have?
3
2
1
0
