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joja [24]
3 years ago
10

Help please i give brainlist

Chemistry
1 answer:
shtirl [24]3 years ago
5 0
The order of the answers are as follows:
B
C
D
A
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What is the difference between fusion and melting?
photoshop1234 [79]
Fusion is joining two or more things together in resulting of the form of one thing
Melting is to make something liquefied by the use of heat
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2 years ago
Smoke filling up a room is diffusion or not
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3 years ago
Proteins are build inside these
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3 years ago
1) Determine a fórmula da base hidróxido de bário: * 1 ponto a) b) c) d) 2) As bases são substâncias iônicas, ou seja, quando sã
Reika [66]

Answer:

1) Ba(OH)₂

2) The correct option is a) they conduct electricity.

Explanation:

To deduce the formula of Barium hydroxide, we have to go to the periodic table and look for the Barium (Ba), which is in group 2 and has an ionic charge of 2+. Hydroxides are not an element that is present in the periodic table is the combination of Oxygen and Hydrogen (OH), and its ionic charge is 1-.

To name this substance, we write the elements that form it, which are Ba OH, then we see the ionic charges that they have, Ba2+ OH 1- and we change these charges giving the 2+ to the OH and the 1- to the Ba. It would look Ba OH₂; we do not write the 1, and as there is a 2, the OH, has to be between brackets so that the final formula is Ba(OH)₂. What we did is balancing the charges of the elements. In other words, we need 2 OH for every Ba. Hydroxides give an electron to balance the Ba ionic charge.

Barium Hydroxide is an ionic compound because ionic compounds are formed by a metal (Ba) and a nonmetal element (OH), ionic compounds are charged, so when they are in an aqueous solution they conduct electricity because their ions move freely in the solution.                                          

5 0
3 years ago
Binary compounds are formed by ............... ............... elements.
goblinko [34]

Answer: i think its A diatomic compound..

Explanation: hope i helped! sorry if im wrong!

6 0
2 years ago
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