You discover that an atom of an unknown element has 54 protons,
Identify the element and explain how you know the identity is correct
Explain whether the unknown element is more or less reactive than an atom of an element that has 30 protons,
Identify an element that would have very similar chemical properties to the unknown element and explain why its chemical properties would be similar
Answers: 1
Chemistry, 22.06.2019 10:30, ashlpiriz123
Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
Answers: 1
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 23.06.2019 03:00, andrejr0330jr
Which of the following is a chemical property of water at 4 c
Answers: 2
You discover that an atom of an unknown element has 54 protons,
Identify the element and explain ho...
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