Do you mean this?
(NH4)2CO3
It means that there are 4 atoms of hydrogen in one molecule of ammonium, as all sub scripted numerals do in chemical formulas, the the 2 on the outside of the parentheses means multiply the outside subscript by the inside numbers to get full atom count. Remember, this is implied; N1.
To effectively read chemical formulas with parentheses, first identify the elements within the parentheses and the number of atoms of each element. Then, apply the subscript outside the parentheses to all elements inside. This helps clarify the composition of the compound and ensures accurate interpretation of the formula.
The formula for cobalt acetate is Co(C2H3O2)2. According to the formula, there are four carbon atoms in each formula unit. When an ion is in parentheses, you multiply the subscripts inside the parentheses times the subscript outside the parentheses to find the total number of atoms of an element.
The formula for aluminum nitrate is Al(NO3)3, so there are 9 oxygen atoms. Multiply the number of oxygen atoms inside the parentheses times the subscript outside the parentheses.
24: The answer to the number of atoms present in a formula that does not include parentheses is always the sum of all the subscript numbers in the formula plus one for each type of atom shown without a subscript. If the formula does contain parentheses, all the subscript numbers inside the parentheses should be multiplied by the subscript number after the closing parenthesis itself before the sum of all subscripts is taken.
Parentheses are used in chemical formulas to indicate the number of atoms or groups of atoms that are enclosed should be multiplied by the subscript outside the parentheses. In the case of Al(OH)3, it indicates that there are three hydroxide (OH) groups for each aluminum (Al) atom in the compound aluminum hydroxide.
To effectively read chemical formulas with parentheses, first identify the elements within the parentheses and the number of atoms of each element. Then, apply the subscript outside the parentheses to all elements inside. This helps clarify the composition of the compound and ensures accurate interpretation of the formula.
After you factor out the GCF, you will have as many as terms inside the parentheses as you had before.
The process of multiplying a number outside a set of parentheses to everything inside the parentheses is called distributing or the distributive property. This property is used to simplify algebraic expressions by multiplying the external number to each term inside the parentheses.
A subscript following a set of parenthesis in a chemical formula indicates that the entire group enclosed in the parenthesis is to be multiplied by the subscript outside the parenthesis. This is used to show the number of times a group of atoms or molecules is repeated in the compound.
To count atoms on a worksheet, first identify the chemical formulas present. For each element in the formula, note the subscript that follows it, which indicates the number of atoms of that element. If there is no subscript, it means there is one atom of that element. For compounds with parentheses, multiply the subscript outside the parentheses by the subscripts inside to find the total number of atoms for each element.
The formula for cobalt acetate is Co(C2H3O2)2. According to the formula, there are four carbon atoms in each formula unit. When an ion is in parentheses, you multiply the subscripts inside the parentheses times the subscript outside the parentheses to find the total number of atoms of an element.
The formula for aluminum nitrate is Al(NO3)3, so there are 9 oxygen atoms. Multiply the number of oxygen atoms inside the parentheses times the subscript outside the parentheses.
When counting atoms in a chemical formula, each element's symbol is followed by a subscript that indicates the number of atoms of that element present in the molecule. If there is no subscript, it is understood to be one. Parentheses indicate that the atoms within them are multiplied by the subscript outside the parentheses. For example, in the formula ( \text{Ca(OH)}_2 ), there is one calcium atom, two oxygen atoms, and two hydrogen atoms.
In aluminum chromate, the chemical formula is Al2(CrO4)3. This means that there are a total of 12 oxygen atoms in aluminum chromate (4 oxygen atoms in chromiumate ion multiplied by 3 chromiumate ions).
24: The answer to the number of atoms present in a formula that does not include parentheses is always the sum of all the subscript numbers in the formula plus one for each type of atom shown without a subscript. If the formula does contain parentheses, all the subscript numbers inside the parentheses should be multiplied by the subscript number after the closing parenthesis itself before the sum of all subscripts is taken.
In a chemical formula, more than one polyatomic ion is indicated by using parentheses around the ion and then placing a subscript outside the parentheses to denote the number of that ion present. For example, in the case of calcium nitrate, which contains two nitrate ions (NO₃⁻), the formula is written as Ca(NO₃)₂. This notation clarifies that there are two nitrate ions associated with each calcium ion in the compound.
Parentheses are used in chemical formulas to indicate the number of atoms or groups of atoms that are enclosed should be multiplied by the subscript outside the parentheses. In the case of Al(OH)3, it indicates that there are three hydroxide (OH) groups for each aluminum (Al) atom in the compound aluminum hydroxide.