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A chemical reaction/bond.
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∙ 11y ago
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What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
What happens to elements when they combine to form a compound?
The propertys of the elements change. For example:both chlorine and sodium are highly reactive, but whenthey combine the form a compound. this compound iswhich alot of people eat everyday.
When elements combine to form compounds their properties do not change.?
False. Hydrogen and oxygen - both gases - combine to form water - a liquid.
What chemical change happens to form water?
The chemical change that happens to form water is when pure hydrogen gas (H2) combine with pure oxygen gas, they get involved with one another, and the slow rate of reaction between the two, create water, but very slowly. The other name for water of course is H2O.
When elements combine to form a mixture their properties do not change?
They change their properties when they combine. Hydrogen and oxygen are gases but combine to form water, a liquid.
What happens when elements combine?
Elements combine to form compounds to become more stable
What happens When metals react with other elements the atoms of the metal?
it basiclly has sex and gets high
What happens to the properties of sodium and chlorine when they react to form common table salt Nacl?
The properties of sodium and chlorine change when the form NaCl. Both elements by themselves would kill you; sodium is highly reactive to water, and chlorine is a deadly gas. But when they combine, they form a compound that is necessary for human life.
What kind of change happens when hydrogen gas and oxygen gas react burn and form water?
This reaction is a chemical change.
What are the simplest form of protein?
Elements(See the Periodic Table of Elements)
When elements that form a mineral dissolve in hot water they form a mixture called a .?
The mixture when elements that form a mineral dissolve in hot water is called a solution.
When elements that form a mineral dissolve in hot water they form a mixture call a?
The mixture when elements that form a mineral dissolve in hot water is called a solution.
