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HACTEHA [7]
3 years ago
5

What does it mean if an elemet has mo subscript in a chemical formula​

Chemistry
2 answers:
kogti [31]3 years ago
3 0
If no subscript appears, one atom of that element is present.
polet [3.4K]3 years ago
3 0

Answer:

If there is no subscript, or a number directly to the right of the chemical in a formula, that means only one atom of the chemical in question is present.

Explanation:

Hope this helps :)

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Which (metals or nonmetals) are most likely to give away electrons?
Nataly_w [17]

As mentioned above, the characteristic chemical property of a metal atom is to lose one or more of its electrons to form a positive ion. However, certain metals lose electrons much more readily than others. In particular, cesium (Cs) can give up its valence electron more easily than can lithium (Li).

6 0
3 years ago
What is the molality of a solution containing 5.0 moles of solute in 3.2 kg of solvent? Round to the nearest tenth.
Setler [38]
N=5.0 mol
m=3.2 kg

C=n/m

C=5.0/3.2≈1.6 mol/kg
5 0
3 years ago
Which of the following pairs of elements is most likely to form an ionic bond? Sulfur and Oxygen Carbon and Chlorine Phosphorous
djverab [1.8K]

“<u>Aluminum</u>” and “<u>Nitrogen</u>” form an ionic bond.

Option: D

<u>Explanation</u>:

Aluminum and nitrogen are most likely to form an “ionic bond” among given pairs of elements in form of aluminum nitride. AlN is partially covalent and also show ionic characteristics as N needs 3 electrons to fill outer shell and Al has 3 electrons in valence shell. Hence \mathrm{Al}^{+3} is cation and \mathrm{N}^{-3} is anion and have “electrostatic force” of attraction between these oppositely charged ions. Here ionic behavior is seen as nitrogen is more “electronegative” hence attract the shared pair of electrons which is earlier responsible for partial covalent bond formation.

8 0
3 years ago
Which of the following molecules has/have the same empirical formula as acetic acid (HC2O2H3)? (a) Formaldehyde (b) Benzaldehyde
chubhunter [2.5K]

Answer: Option (a) is the correct answer.

Explanation:

A chemical formula which represents proportions between the elements present in a compound is known as empirical formula.

When chemical or molecular formula is able to be reduced to smaller whole-number ratio of the elements then both molecular and empirical formulas are considered to be the same.

Relation between molecular formula and empirical formula is as follows.

               Molecular formula = n × Empirical formula

where, n is an integer.

Chemical formula of acetic acid is CH_{3}COOH.

Chemical formula of formaldehyde is CH_{2}O. It is the smaller whole-number ratio of molecular formula of acetic acid.

Chemical formula of Benzaldehyde is C_{6}H_{5}COOH.

Chemical formula of glucose is C_{6}H_{12}O_{6}.

Thus, we can conclude that formaldehyde molecules has/have the same empirical formula as acetic acid (HC_{2}O_{2}H_{3}).

5 0
4 years ago
Which elements are found in the compound NaOH? A. sodium, oxygen, and hydrogen B. nitrogen, oxygen, and hydrogen C. nitrogen, ar
Jet001 [13]
Sodium, Oxygen, and Hydrogen are found in NaOH. Na=Sodium, O=Oxygen, H=Hydrogen.
6 0
4 years ago
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