Which element is a halogen?
a. argon
b. bromine
c. calcium
d. lithium...
Chemistry, 01.01.2020 09:31 tellydawg2760
Which element is a halogen?
a. argon
b. bromine
c. calcium
d. lithium
Answers: 3
Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 22.06.2019 19:30
Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
Answers: 2
Chemistry, 22.06.2019 21:00
How many neutrons does an element have if its atomic number is 50 and its mass number is 166
Answers: 1
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