What types of salts are added to fireworks to give them color

What does the law of conservation of mass state? Mass can be destroyed but not created during a chemical reaction. Mass can be created but not destroyed in a chemical reaction.

What is 5.73 moles in grams

How are metal atoms arranged according to metallic bonding?

How many grams of chromium metal are plated out when a constant current of 8.00 A is passed through an aqueous solution containing Cr3 + ions for 320. minutes? A) 27.6 g B) 49.2 g C) 82.4 g D) 248 g

when switch s is closed positive ions will undergo 1) oxidation at electrode B 2) oxidation at electrode A 3) reduction at electrode B 4) reduction electrode A

The smallest unit of an element is a blank

How many sodium atoms will create an ionic bond with sulfur?

Rank the elements from smallest to largest electronegativity negativity (smallest at top) 1. N 2. P 3. As 4. Sb

A bicyclist pedaling up a Hill. What type of energy potential or kinetic?

What improvements have been made in modern farming? Select all that apply. 1. machines can do more work over less time 2. better seeds sprout and grow much more quickly 3. trains can transport food over long distances faster 4.