Chemistry, 12.10.2020 02:01 samieskyy290
Who said
"there are electrons dispersed evenly within a large area of positive material"
A. Rutherford
B. Schrodinger
C. Bohr
D. Thomas
Answers: 3
Chemistry, 23.06.2019 07:20, aprilkenedy12
Which of the following are acids or bases? 1. sodium hydrogen 2. barium hydroxide solution 3. carbonate solution
Answers: 1
Chemistry, 23.06.2019 13:50, isaac7454
Use the periodic table and your knowledge of isotopes to complete these statements. when polonium-210 emits an alpha particle, the child isotope has an atomic mass of 1-131 undergoes beta-minus decay. the chemical symbol for the new element is fluorine-18 undergoes beta-plus decay. the child isotope has an atomic mass of done intro donne
Answers: 1
Chemistry, 23.06.2019 23:30, brookemcelhaney
Which of the following is not a difference between a compound and a mixture? 1 some mixtures are homogenous, while others are heterogeneous. all compounds are homogeneous. 2 mixtures are homogeneous while compounds are heterogeneous. 3 no chemical bonding occurs between the components of a mixture. the properties of atoms and molecules are not changed when they become part of a mixture. 3 mixtures can be separated by physical means, for example, straining, filtering, or evaporation. 4compounds can only be separated into their constituent atoms by chemically breaking bonds.
Answers: 2
Who said
"there are electrons dispersed evenly within a large area of positive material"
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