Scientists used
ting to determine Earth's age....
Answers: 2
Chemistry, 22.06.2019 08:30
Which metal exist in liquid state and can be cut with knife ?
Answers: 2
Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
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, 23.10.2019 17:20
Mathematics, 23.10.2019 17:30
Mathematics, 23.10.2019 17:30
Physics, 23.10.2019 17:30
Mathematics, 23.10.2019 17:30
Mathematics, 23.10.2019 17:30