Chemistry, 26.08.2019 17:10 dillongivenstheman
When phillip analyzed an unknown substance x, he found that it contained only one kind of atom. phillip was unable to convert the substance to a
simpler one. what is substance x?
a.
a compound
b.
an element
c.
a heterogeneous mixture
d. a homogeneous mixture
Answers: 2
Chemistry, 21.06.2019 23:50, stephaniero6
2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit
Answers: 3
Chemistry, 22.06.2019 01:30, jusicca1109
100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 16:00, corcoranrobert1959
How do dying stars contribute to the formation of planets
Answers: 1
Chemistry, 22.06.2019 18:50, christhegreat1
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
When phillip analyzed an unknown substance x, he found that it contained only one kind of atom. phil...
Computers and Technology, 24.11.2021 01:30
English, 24.11.2021 01:30
Mathematics, 24.11.2021 01:30