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PLS HELP ASAP ON ALL ASKED QUESTIONS PLS

What is the chemical formula for the compound commonly called ammonia? Question 1 options: a) KNO3 b) CaO c) MgSO4 d) NH3 Which of the following shows the chemical formula for the binary ionic compound calcium chloride? Question 2 options: a) CaCl2 b) Ca2Cl3 c) Ca2Cl d) CaCl H2O is the chemical formula for the compound with which common name? Question 3 options: a) water b) potash c) lime d) ammonia

Question 30 Which of the following is an ionic compound? A) H20 B ) CCI IA (c) CaCl2 D) SO2 E N204

Question 1 (1 point) The element gallium has two naturally occurring isotopes, gallium-69 (68.9256 amu) and gallium-71 (70.9247 amu). The average atomic mass of gallium listed on the periodic table of the elements is 69.723 amu. Which naturally occurring isotope gallium-69 or gallium 71 is the most abundant?

2) KClO3 is the correct formula of a) potassium chlorate b) potassium chloride c) potassium chlorite d) potassium hypochlorite

Which of the following would be considered as a rare earth? Group of answer choices cadmium cesium cerium curium Which of the following is the polyatomic ion called carbonate? Group of answer choices

Question 2 ( Magnesium sulfate heptahydrate is commonly known as Epsom salt. What is the empirical formula for magnesium sulfate? Mg2(SO4)2 O MgSO4 OM 92SO4 O MgSO 2 Question 34 The columns in periodic table are called groups. Some of the groups have names which are frequently used instead of numerical group names. Cl belongs to one of those named which is Alkali metals Alkaline earth metals Chalcogens Halogens Noble gases

What is wrong with the formula "HgCl" for mercury (I) chloride? Group of answer choices There is nothing wrong with this formula Mercury (I) must always be paired with another mercury (I) Mercury does not commonly exist in the +1 form The formula should be Hg2Cl Mercury never forms compounds with other elements; this shouldn't exist

1) CH 2) H2 (POLYATOMIC IONS): 3) NH, 11) OH (hydroxide ion) 12) SO, (sulfate ion) 13) PO, (phosphate ion) 4) Oz 5) N2 6) HCN 7) CH,0 8) CH, 9) C,H, 10) C,H, IMG 6433 jpg

5) What is the name and symbol of an ion that has 26 protons and 23 electrons? A) Fe+3 B) Fe+2 C) Mn+2 D) Mn+3

(66) Writing lonic X G W Formulas of lonic X X Finding formula f X Introduction to io Question 36 of 43 Which is true about one formula unit of CaBr2? A) There is one 1 Ca atom and 1 Br2 molecule. B) There is one CaBr2 molecule. C) There is 1 Ca atom and 2 Br atoms. D) There is 1 positive Ca ion and 2 negative Br ions. E) There is 1 positive Ca ion and 1 negative Br ion.

TUTOR Classifying and Naming Compounds What is the name of the compound with the formula Co₂S3? What is the name of the compound with the formula O₂F2? What is the formula for chromium(III) acetate? What is the formula for nitrogen monoxide? [References]

All of the following are ionic compounds except __________. Group of answer choices Na2SO4 NaCl Li3N SiO2 K2O

An alkali metal forms a compound with chlorine with the formula __________. (The symbol M represents any one of the alkali metals.) Group of answer choices MCl2 M2Cl2 M2Cl MCl3 MCl

What is the formula of chromium(VI) oxide?   What is the formula of carbon tetraiodide?

Question 2 How many ionic compounds are listed? NaCl, FeSO4, CuBr2, BaS 04 0 1 0 2 || Proctorio is sharing your screen. Stop sharing Hide Question 3

What is the formula of ammonium hydrogen phosphate?   What is the formula of calcium iodide?

Question 4) I think compounds that are expected to exist as molecules is by checking if they have a covalent bond, but I don't quite understand why.

Can you do question 3 and please make your handwriting clear also you guys keep returning this question if you cannot do it just say i dont know how

12 What is the difference between sulfate and sulfite? a) There is no difference, the are the same thing. b)Sulfate has one more oxygen than sulfite. C) Sulfate has a positive charge while sulfite has a negative charge. d) Surite has one less sulfur than sulfate.

Lithium is classified in which of the following groups? Question 2 options: a) alkali metals b) transition metals c) halogens d) alkaline earth metals

The formula of ammonium hydrogen carbonate is __________. Group of answer choices HN2(CO3)3 NH4HCO3 (NH4)2CO3 (NH4)2H2CO3 (NH3)2CO3