PLZZ help fast PLZ
(03.02 HC)
Use the portion of the periodic table shown below to answer th...
Chemistry, 20.04.2021 05:40 templetiggerxyz
PLZZ help fast PLZ
(03.02 HC)
Use the portion of the periodic table shown below to answer the questions.
Part 1: Name two elements that have the same properties as magnesium (Mg). (4 points)
Part 2: Determine the number of protons, electrons, and neutrons present in an atom of potassium (K). Explain how you determined your answer using complete sentences. (6 points)
Answers: 1
Chemistry, 22.06.2019 06:00
One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 14:10
13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
Answers: 1
Chemistry, 22.06.2019 15:30
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
English, 31.05.2020 01:59
History, 31.05.2020 01:59
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English, 31.05.2020 01:59
English, 31.05.2020 01:59
Mathematics, 31.05.2020 01:59
Mathematics, 31.05.2020 01:59
Mathematics, 31.05.2020 01:59
History, 31.05.2020 01:59