0
Add your answer:
Earn +20 pts
How do you do the crossover method for calcium hydride?
To do the crossover method for calcium hydride (CaH2), you simply swap the charges of the elements to determine the formula. Since calcium (Ca) is a +2 cation and hydride (H) is a -1 anion, the formula becomes CaH2.
What does the subscript three mean in NaHCO3?
The 3 oxygen atoms in the carbonate radical ( -2 CO3 ).Sodium bicarbonate ( NaHCO3 ) is composed of three radicals:sodium ( Na+ )hydrogen ( H+ )carbonate ( -2 CO3 )
What is implied when there no subscript on a element?
When there is no subscript on an element, it is implied that one atom of that element is present. For example, "H" would represent one atom of hydrogen.
How do you determine the number of atoms in a chemical equation with subscripts and coefficients?
To determine the number of atoms in a chemical equation with subscripts and coefficients, you multiply the subscript of each element by the coefficient outside the parentheses. Then, you multiply this result by the coefficient in front of the molecule. Finally, sum up the contributions from each element to get the total number of atoms in the chemical equation.
What is the difference in electronegativity between H and F in HF?
The electronegativity difference between hydrogen (H) and fluorine (F) in the HF molecule is 1.9. This high difference in electronegativity gives the HF molecule its polar characteristic, with fluorine being more electronegative and attracting electron density towards itself, resulting in a partial negative charge on fluorine and a partial positive charge on hydrogen.
What is a example of molecule?
H(subscript 2)O
What does H plus Mg equal?
H2Mg the 2 is a subscript though.
How do you do the crossover method for calcium hydride?
To do the crossover method for calcium hydride (CaH2), you simply swap the charges of the elements to determine the formula. Since calcium (Ca) is a +2 cation and hydride (H) is a -1 anion, the formula becomes CaH2.
Nitric oxide gas reacts with hydrogen gas to form ammonia gas and water vapor?
The reaction between nitric oxide gas and hydrogen gas to form ammonia gas and water vapor is represented by the equation: 2 NO(g) + 4 H₂(g) -> 2 NH₃(g) + 2 H₂O(g) This is a synthesis reaction where the two reactants combine to form two different products.
What is the subscripts for h2?
The subscript for H₂ is 2, indicating that there are two hydrogen atoms present in the molecule.
What is the difference between h and o?
The difference between h and o is that h has a hu sound o has an oh or an oo sound.
What is difference between S Typhi O and S Typhi H?
There is a great difference between S Typhi O and H. The S Typhi O is somatic, and H is flagella.
The difference between H and C in car?
h is hot and c is cold
What is the difference between (-h)2 and -h2 in maths?
0
What is the number 2 in the formula for hydrogen called?
H2O The little 2 is a subscript that tells you that there are 2 Hydrogen atoms in the compound. There is no 1 after the Oxygen because if there is no subscript, there is an understood 1 atom in the compound.
What is the reactive difference between copper and calcium?
h
What is the difference between HCF and CF?
the letter H
