All elements are pure substances. Sugar, salt, and baking soda are pure substances which are compounds.
Answer: The Mass Number would be equal to 3
Explanation:
The mass number of a element is the total number of protons + neutrons found in the nucleus of a single atom . Since there is 2 protons and 1 Neutron 2+1 = 3. Therefore it equals 3
Removing chloride ion is the reaction away
Answer:
The first step in the Scientific Method is to make objective observations. These observations are based on specific events that have already happened and can be verified by others as true or false. Step 2. Form a hypothesis.
Explanation: