Which of the following best characterizes an ionic bond?
A. It is formed by electron transfer
B. It is formed by sharing of electrons.
C. It is formed between two oppositely charged particles.
D. It is formed between two particles of the same charge.
Which type of chemical bond was formed by sharing of electrons?
A. ionic bond C. polar covalent
B covalent bond D. non-polar covalent What is the charge of an atom that has lose one electron?
A. +1 B. -1 C. +2 D. -2
What is the charge of an atom that has gained one electron?
A. +1 B. -1 C. +2 D.-2
What is the charge of Calcium that has lose two electrons?
A.+1 B. -1 C. +2 D.-2
If an element has 3 valence electrons, what charge will likely form its ion?
A.+3 B. -3 C. +6 D. -6

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