ahhhh

what is 3.33 × 47.44 / 0.26? Round to the correct sig figs

610

What is the charge of a phosphite ion?

-3

Write 89245 w/ 3 sig figs

8.92 × 10⁴

Which of the following compounds has a cation with a 3+ charge

CrPO₄

How many sig figs are in 0.003040?

4

how many moles of Ca contain 8.44 x 10^23 atoms of Ca

1.40 moles

what type of bond is described as atoms connected through their attraction to delocalized valence electrons that are free to flow between connected atoms

metallic

which statement is false?

ionization energy increase going down a group from top to bottom

What is the correct formula for the ionic compound potassium borate

K₃BO₃

The term substance is defined as…

matter of unchanging and uniform composition

which following conversion factor is incorrect

100 mL = 1 L

what is the formula for the polyatomic ion thiosulfate?

S₂O₃^2-

To convert grams to moles, you would need to use

molar mass

What molecules drawn as Lewis structures below would be an example of an EXPANDED OCTET

bromine trichloride

what is the correct formula for an ionic compounds that contains lithium ions and sulfur ions?

Li₂S

Lisa the following elements in order of smallest to largest atomic size: Ra, Ba, Ca, Mg

Mg<Ca<Ba<Ra

An atom that has gained electrons is a(n)..

anion

what scientist was the first to get evidence of the existence of subatomic particles?

J.J. Thomson