Chemistry Flashcards
1
Q
List the typical 9 different elements found in the body
A
Oxygen, Carbon, Hydrogen(, Nitrogen(N), Calcium(Ca), Potassium(K), Sodium(Na), Chlorine(Cl), Iron(Fe)
2
Q
What is the atomic number?
A
Equal to the number of protons and neutrons in the nucleus of an atom
3
Q
Difference between covalent and ionic bonds.
A
Covalent bonds share their valence electrons while an ionic bond will have electrons donated so that an element may complete its outer shelf
4
Q
What is a cation?
A
An atom that is positively charged by donating electron in an ionic bond
5
Q
What is an anion?
A
An atom that is negatively charged by receiving an electron in an ionic bond
