Answer:
Calcium
Explanation:
It has 20 electrons to start, loses two to become Ca 2+, and is left with 18 electrons
A. The breeze blow from higher pressure over the water to the lower
To determine the name of an anion, you take the name of its element and replace the end with "ide".
<h3>What is an anion?</h3>
An anion in chemistry is a negatively charged ion.
Anions are usually formed when a non-metallic atom gains electron(s).
An anion is usually named by taking the elemental name, removing the ending, and adding “ide.
Examples of anions are as follows:
- fluoride (F-)
- Chloride (Cl-)
- Iodide (I-)
Learn more about anions at: brainly.com/question/15578817
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Answer:
A
Explanation:
True igneous rock forms cooling of magma fast on the top
The best substance to heat up the fastest would be blue fire
