Answer:Types of Ions: ... Ionic Compounds Containing a Metal and a Polyatomic Ion 3. ... Molecular Masses from Chemical Formulas ... A cation is a positively charged ion; An anion is a negatively charged ion. ... for these ions are derived by naming the metal first, followed in parentheses by the charge written in Roman numerals.
Answer:
Each element consists of indivisible, minute particles called atoms.
All atoms of a given element are identical.
Atoms of different elements have different masses.
Explanation:
Answer:
The answers to your questions are below:
Explanation:
Question 31 Silicon and sulphur, because they are in the same period (3)
Question 34 the third option, density is not in the table
Question 37 group 1A alkali metals
Question 38 group 1A, oxygen group
Question 39 They are metalloids
<span>their identified by the number of protons they have in the nucleus which = their electrons. </span>
Answer:1:1
There is a 1:1 molar ratio between magnesium and magnesium chloride. Magnesium has a molar mass of 24.31g/mol.
Explanation:
If you begin with 25.0 g of magnesium, how many moles of magnesium oxide will ... g C9H8O4. Now calculate percent yield. % yield = actual theoretical. × 100 =.
