Which three elements have the most similar chemical properties?
1.
Ar, Kr, Br
2
K...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 01.02.2021 03:40 kadence428
Which three elements have the most similar chemical properties?
1.
Ar, Kr, Br
2
K, Rb, Cs
3.
B, C, N.
4.
O, N, Si
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:20
Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:00
Which answer tells the reason the earthโs climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:30
If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 23.10.2019 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.10.2019 21:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 23.10.2019 21:00
![question](/tpl/images/cats/istoriya.png)
History, 23.10.2019 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.10.2019 21:00
![question](/tpl/images/cats/fizika.png)
Physics, 23.10.2019 21:00
![question](/tpl/images/cats/en.png)
English, 23.10.2019 21:00
![question](/tpl/images/cats/istoriya.png)
History, 23.10.2019 21:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.10.2019 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.10.2019 21:00
![question](/tpl/images/cats/en.png)
English, 23.10.2019 21:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.10.2019 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.10.2019 21:00