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A ruby is a pink to blood-red gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by the presence of the element chromium.
It is not a chemical compound with fixed ratios of elements, it is essentially Al2O3 with some Al3+ replaced by Cr3+
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What happens when elements combine?
Elements combine to form compounds to become more stable
How do two elements combine together?
It would form a compund. For example, the most famous coumpoud is H2O. This compound is made out of two Hydrogen molecules and one oxygen.
What is the relationship among atoms elements and molecules?
atoms combine to form molecules of elements
Does zinc combine with other elements to form compounds?
yes
When elements combine to form compounds their properties do not change.?
False. Hydrogen and oxygen - both gases - combine to form water - a liquid.
What do elements combine to form?
Elements combine to form chemical compounds.
which of the following is NOT true about elements when they combine to form compounds a. atoms of elements combine to form moleculesb?
yeah it is
How are mineral formed by crystallization from magma?
As magma cools, elements combine to form minerals.
What is shared when elements combine to form compounds?
Electrons are shared when elements combine to form molecules.
What happens when elements combine?
Elements combine to form compounds to become more stable
When two or more elements combine they form a?
compound is when two or more elements combine chemically
How do elements combine together?
Two elements combine together by sharing electrons to form a bond.
When masses combine to form elements with larger masses?
Atomic fusion occurs when masses combine to form elements with larger mass.
How do the elements of a compound form?
Elements combine together by chemical bonding to form compounds.
What group of elements combine with other elements to form salts?
Metals form salts.
Shared when elements combine to form a compound?
Electrons are shared when elements combine to form molecules. These are subatomic particles with a negative elementary electric charge.
One or more elements can combine to form a compound when elements form compounds?
Yes, it is correct.
