What does the chemical formula caci2 show about the compound it represents? Answer:
Two elements because Can is one element and Cl is another
. The two is a coeficient that states how many of that element there is.
What does the chemical formula CaCl2 show about the compound it represents a it is made up of one element B it is made up of two elements c It is made up of three elements D It is made up of four elements?
Therefore, is an ionic compound as it is formed by transfer of electrons from calcium to chlorine atoms. This compound is formed by chemical combination of
one calcium and two chlorine atoms
. This means basically, is made up of two elements which are calcium and chlorine.
What does the chemical formula of CaCl2 show about the compound it represents?
The compound represents that calcium chloride is an ionic salt made up of 1 calcium ion and 2 chloride ions. Explanation: The given chemical formula is of calcium chloride salt. The chemical formula represents that
1 atom calcium binds with two atoms of chlorine to form a single molecule of
calcium chloride.
What does the chemical formula show about the compound it represents?
A chemical formula tells
you the specific elements included in the compound and the number of atoms of each
. The letters in a chemical formula are the symbols for the specific elements. So for example, H means hydrogen, O means oxygen, S means sulfur, Cu means copper, F means fluorine, Fe means iron and Au means gold.
What does the 4 mean in the formula 4na2so3?
Answer: The ‘4’ in front of sodium sulfate formula indicates that there
are four molecules of sodium sulfate
.
Which is the best description of a molecule?
molecule, a group of two or more atoms that
form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance
.
How do you find the chemical formula?
Formulae of elements
The formulae for most elements is just their symbol. Some non-metal elements exist as simple molecules with two atoms joined together. We say that these elements are diatomic . To show this, their formulae contain a subscript number 2.
What is the chemical formula of water?
Water (chemical formula:
H2O
) is a transparent fluid which forms the world’s streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms. As a chemical compound, a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds.
Why do compounds have chemical name and formula?
Chemical substances have names, just like people have names. This
helps scientists to communicate efficiently
. It is easy to describe elements and mixtures. We simply use the names that we find on the periodic table for elements and we use words to describe mixtures.
What are 2 differences between an element and a compound?
Elements are pure substances which are composed of only one type of atom. Compound are substances which are formed by two or more different types of elements that
are united chemically in fixed proportions
. … Compounds are represented by their chemical formula. For example, salt is represented by the formula NaCl.
What is the difference between an element and a compound?
Elements are substances that are made from one type of atom. An element cannot be broken down into any other substance. … Compounds are substances made from atoms of different elements joined by chemical bonds. They
can only be separated by a chemical reaction
.
What does a formula of compound represent?
A chemical formula is an expression that
shows the elements in a compound and the relative proportions of those elements
. … Molecular formulas do not indicate how the atoms are arranged in the molecule. The empirical formula tells the lowest whole-number ratio of elements in a compound.
What does 4 mean in the formula 4na?
The 4 represents
the number of atoms of sodium present in
that compound……
What does the 2 mean in the formula 5Mg3 PO4 2?
What does the 2 mean in the formula 5Mg3(PO4)2?
There are two phosphate ions in a molecule of magnesium phosphate
.
Which best describes ionic compound formulas?
Which best describes ionic compound formulas?
They have an equal number of positive and negative charges
.
What is an atom vs molecule?
Atoms are single neutral particles
. Molecules are neutral particles made of two or more atoms bonded together.
