Answer:
Explanation:
Metal elements form positively charged ions called cations because they are located on the left side of the periodic table These elements all have valence electrons in an s orbital. These electrons are relatively easy for the atom to lose to achieve a stable octet of electrons in its outermost energy shell.
D. a compound can only be separated into its components by chemical means
Answer:
Explanation:
Drug for the treatment of disease. Chemistry contributes to the preparation and use of materials for surgery (sutures, artificial skin, and sterile materials). ...
Surgical procedure. ...
Blood samples for laboratory testing. ...
Blood glucose testing device.
The correct answer is ...... The product of Ka and Kb equals the auto-dissociation constant for water. I know its right for sure!
