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What are the numbers in front of each element or molecule?
The numbers preceding the element or compound in a chemical equation are coefficients.For example, 2Mg + 3Al means that there are two magnesium atoms (or two moles of magnesium) and three aluminum atoms (or three moles of aluminum). Most importantly, the 2 and 3 reflect the ratio of magnesium to aluminum in the equation.
A combination of two or more atoms?
A compound. It can be an ionic compound or a covalent/molecular compound, depending on what elements are being combined. If one element is a metal and the other is a nonmetal, then the compound is most likely ionic. If both elements are non_metals, then the compound will be covalent, or molecular.
How is an element represented in a chemical formula?
Each atom has its own elemental 'symbol' or 'formula', there are more than 92 elements: from number 1. Hydrogen (H) to number 92. Uranium (U). Examples: O for oxygen, C for carbon, N for nitrogen atoms.
Is matter made of molecuesnot atoms?
Most matter doesn't exist as individual atoms. Inert or "noble" gasses like helium and argon excepted, most matter exists in molecules that are composed of two or more atoms. Even pure oxygen isn't individual atoms; oxygen is the O2 molecule composed of TWO oxygen atoms. Except within the cores of stars, hydrogen, the most common element, normally exists as the H2 hydrogen molecule. So in general, matter is composed of molecules, which are composed of atoms.
What is the magic number of electrons when you are bonding element?
For most atoms, it is 8 valence electrons, usually referred to as an octet.
How many atoms are there in the molecule of phospherous P4?
The answer is four. The molecular formula of any element or compund gives you the number of atoms of each element in a molecule. For phosphorus the most common form is P4 . The molecules are tetrahedral with a P atom at each apex.
How is a molecule different from an atom or element?
An element is the most simple substance known to man. The elements can be found on the Periodic Table.An atom is one particle of an element. The number of protons in the nucleus of an atom corresponds to the element that it is.A molecule is one particle of a certain formation of atoms; it can be composed of one element, or it may be a compound (containing more than one element). For example, O2 is an oxygen molecule, composed of two oxygen atoms. N2 is a nitrogen molecule, composed of two nitrogen atoms.
What is the most abundunt element found in the human body?
By weight or by number of atoms? By number of atoms
What are the 2 most common elements and compounds?
the most common element is hydrogen and its molecule of two hydrogen atoms is the most common molecule
What is the simplest to the most complex forms of matter?
electrons/protons/neutrons Atoms Molecule Polymer Element
What is the name and number of atoms of each element in each compound of the periodic table of NaCl H2O2 Fe3O4 and SiO2?
the name of the elements are found on most periodic tables and each element is a separate type of atom the number found by an element hereorhere shows the number of atoms of each element the molecule has
What is an atomic molecule?
There are no such things as "an atom molecules". Molecules are made of two or more atoms for instance: an Oxygen molecule is made of two atoms of Oxygen that are joined together. a Methane molecule is made from 4 atoms of hydrogen and one atom of Carbon that are joined together.
What is an atom is it a molecule an element or a compound?
Atoms are the building blocks of all matter. Atoms are the most basic units of an element that have the properties of that element. Atoms of elements combine to form molecules, which can be molecular compounds, and atoms of elements can combine to form ionic compounds, as well. Compounds contain atoms of two or more elements chemically combined.
Which is our most abundant elements in the body?
In number of atoms (element) hydrogen is the most abundant, not in mass.
What are the numbers in front of each element or molecule?
The numbers preceding the element or compound in a chemical equation are coefficients.For example, 2Mg + 3Al means that there are two magnesium atoms (or two moles of magnesium) and three aluminum atoms (or three moles of aluminum). Most importantly, the 2 and 3 reflect the ratio of magnesium to aluminum in the equation.
What tells the number of protons in the?
number of protons in the atoms tells us to what chemical element atoms belongs. in other words :different number of protons means different element. also protons together with neutrons make most of the atoms weight.
What fat molecule has the most H atoms?
The fat molecule that has the most H, or hydrogen, atoms is the saturated fat molecule. This is because this particular molecule has no double bonds in its structure.
