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Compounds
Page 4
Questions (209)
THIS IS THE 3RD TIME POSTING THIS, PLEASE HELP ME ANSWER THIS THE HOMEWORK IS DUE TONIGHT.
Write formulas for the compounds that
2 answers
asked by
MELISSA
584 views
An ionic compound has the following composition (by mass): Mg, 10.9%; Cl, 31.8%; O, 57.3%. What is the formula and name of this
2 answers
asked by
chemistry
555 views
hey can you tell the compounds names NOT their element names.
2HCL 2H2O 3NiBr2 2AlBr3 3Ni 3O2 2Al2O3 CaCl2 CaF2 AgNO3 KCl AgCl
6 answers
asked by
Alejandro
555 views
Please I need help.
Many,but not all, compounds are made up of positive and negative ions. Three positive ions A^+, B^2+ and C^3+
2 answers
asked by
Shane
557 views
iron(III) hydroxide---FeH3
ammonium bromide----NH4Br copper(I) sulfate---Cu2SO4 tin(II) oxide-----Sn2O2
4 answers
asked by
kr
555 views
Which of the following is NOT true about compounds?
A) compounds join in specific ratios according to their masses B) the mass
2 answers
asked by
Katherine
554 views
posted this question before and wanted to know if I had gotten the right answers.
We have to identify the five compunds of H, N,
1 answer
asked by
Sam
533 views
Acids and bases react with one another to form compounds called ______?
A. salts B. ions C. mixtures D. salts, ions, and mixtures
2 answers
asked by
Jason
540 views
Epsom salt, a common hydrate, has the formula shown below. If I measure out 80 g of epsom salt to add to my foot soak, what mass
2 answers
asked by
Anonymous
519 views
Write formulas for the following compounds containing complex anions.
rubidium hyponitrite magnesium bromite
2 answers
asked by
Ana
531 views
What is magnesium oxide?
a. Polyatomic ion b. Ionic compound containing polyatomic ion c. Monatomic ion d. Oxyanion Is the answer
3 answers
asked by
Anonymous
549 views
Can someone please help me with these?
Write formulas for the following compounds. copper (III) chlorate lead (II) nitrate
2 answers
asked by
Florencia
514 views
the fictitious compound pandemonium fluoride
has a k value in water of 3.091*10^-9 M^3.calculate the solubility of PnF2 in water.
2 answers
asked by
himani.
496 views
A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper
2 answers
asked by
Dee
509 views
Which of the four compounds contains a metal?
HC2H3O2 CaCO3 C3H8 CO2
2 answers
asked by
Whitney
499 views
Why can the identity of a compound not be determined by cutting out the spot on an autoradiogram and subjecting it to chemical
1 answer
asked by
Jessica
464 views
an organic iron compound consisting of Fe, C, H, and O was found to contain 51.043%C, 5.9886%H, 27.17%O, and 15.80%Fe. how many
2 answers
asked by
Missy
484 views
Name the new compound formed when sodium sulfide is added to zinc sulfate. What is the chemical formuala for this new compound?
1 answer
asked by
Naseeb
463 views
Elements A and B combine to form two different compounds. The first compound contains 15.0 grams of substance A, and 8.60 grams
1 answer
asked by
N
484 views
Consider the following compound:
uranium (VI) sulfate I think the answer is U2(SO4)6 but I'm not sure if I need to simplify it to
1 answer
asked by
Tina
457 views
a new compound composed of just Hex-Nuts and bolts is formed.A 13.7 Kg sample of the new compound is separated into its
1 answer
asked by
Amanda
467 views
what are some the properties of organic/inorganic compounds?
3 answers
asked by
alexis
440 views
What is a compound with a positive or negative (polar) charge
1 answer
asked anonymously
15 views
A ____, such as H2O4, is a symbol that shows the elements in a compound and the ratio of atoms.
1 answer
asked by
oh no
449 views
what compound is formed if you combine iron, sulphur and oxygen?
1 answer
asked by
alaraf
443 views
2 Al(CO₂)₃
1 answer
asked by
Marcos
18 views
In a molecule of lithium sulfide
1 answer
asked anonymously
15 views
The table lists four compounds and their formulas.
Based on this information, which of these statements is NOT true? The table
1 answer
asked anonymously
22 views
Mortan salt made of what
1 answer
asked anonymously
23 views
Hydr- means “water” in Greek. Which of the following is the most likely meaning
of hydrotherapy? (1 point) a source of water
1 answer
asked by
hello!
24 views
There are 118 elements in the periodic table. What is a likely estimate of the number of compounds formed by these elements?
a
1 answer
asked anonymously
50 views
Which describes a compound?
a substance than cannot be broken down in simpler parts a chemical combination of two or more
1 answer
asked anonymously
22 views
What is a compound?
a chemical combination of two or more elements a particle that cannot be broken into simpler parts a material
1 answer
asked anonymously
18 views
Which is not a compound?
water gold silicon dioxide sugar
1 answer
asked by
e
19 views
Which substance is an example of a nonpolar compound?(1 point) Responses sugar sugar vegetable oil vegetable oil food coloring
1 answer
asked anonymously
22 views
Based on the model shown, what is is the formula for a compound containing only Li and O?
A Li2O B LiO C LiO2 D Li2O2
1 answer
asked anonymously
18 views
ionic or molecuer compound silicon and oxygen
1 answer
asked anonymously
8 views
ionic or molecuer compound potassium and sulfur
1 answer
asked anonymously
6 views
Which formula represents a covalent compound?
Responses NaCl upper case N lower case a upper case C lower case l H2O2 upper case
1 answer
asked by
Estrella
38 views
Write the formula for the compound formed when the given polyatomic anion combines with a cation from the given element. Sulfite
1 answer
asked anonymously
32 views
What is the formula of an imaginary compound containing a a nonmetal (Nm) with a charge of -1 (Nm-1) and a metal (M) with a
1 answer
asked anonymously
42 views
What is the formula of the compound formed between the ammonium ion and the carbonate ion? Hint: Carbonate (CO3) can be treated
1 answer
asked anonymously
61 views
Which of the following is a compound? (Act 3)
A. N B. Na C. CO D. Ca
1 answer
asked anonymously
5 views
40.
Complete the analogy. Dissociation is to _____ compounds as ionization is to _____ compounds. metallic/ionic covalent/ionic
0 answers
asked anonymously
27 views
Because all compounds are neutral, the total charges on the cations and anions must add up to _____.
A. zero B. one C. two
1 answer
asked by
e
26 views
The compound with the formula SiCl4 is _____.
A. silicon tetrachloride B. silicon chlorine C. silicon(I) chloride
1 answer
asked by
e
31 views
Drag the appropriate terms into the table to answer the questions. Each term may be used more than once.(2 points)
Put responses
1 answer
asked anonymously
42 views
Two or more different atoms are combined in definite proportions in any
Symbol c) element Isotope d) compound
1 answer
asked by
.
8 views
Which of the following are compounds?
Select all the apply. A. O(2) B. CO(2) C. N(2) D. NaCI D.
1 answer
asked anonymously
30 views
povidone other name
1 answer
asked by
bbb
10 views
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Parent Categories (20)
Acids and Bases
Atomic Structure
Chemical Composition
Chemical Formulas
Chemical Reactions
Chemicals
Chemistry
Elements
elements and compounds
Food Composition
Formula Mass Calculation
Inorganic Chemistry
Matter
Molecular Geometry
Organic Chemistry
Oxidation Numbers
Resource Extraction
Solubility
Substances
Types of substances