I believe your answer would be the first one
hope this helps
No elements visible!
Ions form between metals and non-metals.
Hope this helps!
Answer : The formula unit of Sr & Cl is and the formula unit of Al & S is
Explanation :
Formula unit : it is defined as the lowest number ratio of ions of an elements in an ionic compound or covalent compound.
For the formula unit of Sr & Cl, two chloride ions are needed to neutralize the one strontium ion.
For the formula unit of Al & S, three sulfide ions are needed to neutralize the two aluminium ion.
The formula unit of and are shown below.
Answer:
Element
Explanation:
Because elements can be made with only one atom the rest of the answers cant be