How much Cu-61 (half-life about 3 hours) would remain from a 2 mg sample after 9 hours?
1 answer:
You might be interested in
Answer:
Requirements for a correctly written chemical equation are reactants and products, their formula and valency
Explanation:
Formula of the given compound are -
1 - Potassium Hydroxide -
2 - Calcium Nitrate -
The requirements for a correctly written chemical equation are -
- Identifying reactants and products
- Formula of reactants and products
- Valency of elements
Example of word equation, formula equation, and chemical equation is as follows -
Aluminium + iron9(III)oxide ⇒ aluminium oxide + iron (word equation)
+
⇒
+
(formula equation)
+
⇒
+
(chemical equation)
Hydrogen is a covalent bond. (A bond where one or more pairs of electrons are shared by two atoms)
