Which of the following statements about the elements in group 2 of the periodic table is true?
They all tend to become positive ions when they bond with other elements.
They all have similar chemical and physical properties.
They all have two electrons in their outermost shell.
They are all metals.
Answers: 1
Chemistry, 22.06.2019 09:30, mazielynn84
In 2002, the rare earth elements mine in mountain pass, california was closed because
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Chemistry, 22.06.2019 15:30, lizzyhearts
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
Which of the following statements about the elements in group 2 of the periodic table is true?
They...
Mathematics, 23.11.2020 18:30
Mathematics, 23.11.2020 18:30
Mathematics, 23.11.2020 18:30
Mathematics, 23.11.2020 18:30