Chemistry, 22.09.2019 04:30, fatherbamboo
What mineral has 2 sugar-cube sized, irregularly shaped pieces. brassy-yellow in color with metallic luster. flat surfaces look like little squares. feels quite heavy. has a blackish streak.
Answers: 3
Chemistry, 22.06.2019 06:00, coolkid2041
One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
Chemistry, 22.06.2019 15:00, levelebeasley1
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Chemistry, 22.06.2019 18:30, kate3887
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
What mineral has 2 sugar-cube sized, irregularly shaped pieces. brassy-yellow in color with metallic...
Mathematics, 09.04.2020 03:50
Mathematics, 09.04.2020 03:50
Mathematics, 09.04.2020 03:50
Biology, 09.04.2020 03:50
Biology, 09.04.2020 03:51
Chemistry, 09.04.2020 03:51
Mathematics, 09.04.2020 03:51
Mathematics, 09.04.2020 03:51