Science
Chemistry
question 1 1 an atom with 17 protons and 18...

Question: question 1 1 an atom with 17 protons and 18...

Question details

QUESTION 1

An atom with 17 protons and 18 neutrons is an atom of which element?

		a) Sodium
		b) Chlorine
		c) Nickel
		d) Argon
		e) Sulfur

QUESTION 2

For each pair of bonded atoms listed below, choose the one in which the highlighted atom will carry the partial negative charge.

		a) O Br
		b) N F
		c) Si Cl
		d) P Br

QUESTION 3

The Lewis structure for which of the following molecules has the greatest number of lone pairs of electrons?

		a) CH₄
		b) HF
		c) H₂
		d) F₂
		e) H₂O

QUESTION 4

What will be the shape for a molecule of CCl₄?

		a) Trigonal pyramid
		b) Trigonal planar
		c) Linear
		d) Tetrahedral
		e) Bent

QUESTION 5

How many moles of atoms are contained in 750 mg of phosphorus?

		a) 0.0242 moles
		b) 24.2 moles
		c) 23.2 moles
		d) 0.750 moles

QUESTION 6

Identify each of the following compounds as ionic or covalent.

- A. B.	Ag₃PO₄
- A. B.	Cl₂O
- A. B.	MnF₂

A.	molecular compound
B.	ionic compound

QUESTION 7

Which sample contains the largest number of potassium atoms?

		a) 12. g of potassium cyanide
		b) 12. g of potassium chloride
		c) 12. g of potassium carbonate
		d) 12. g of potassium phosphate

QUESTION 8

In a balanced chemical equation, which of the following statements are true? Select all that apply.

		a) The total number of atoms in the reactants equals the number of atoms in the products.
		b) Moles are conserved (total moles of reactants are equal to moles of products).
		c) Mass is conserved (total mass of reactants are equal to mass of products).
		d) The total number of moles of the reactants equals the number of moles of the products.

QUESTION 9

Predict the product(s) of the following reaction.

Au₂O₃ + 3Mg ----->

		a) 3MgO + 2Au
		b) 3Mg + O₃ + 2Au
		c) Au₂Mg₃O₃
		d) 2AuMg + 3MgO₃

QUESTION 10

1. What is the balanced net ionic equation for the following reaction:

WITH SOLUTION PLEASEE.....

NEED IT ASAP..........................

Solution by an expert tutor