Help me, please

Chemistry

1 answer:

Finger [1]3 years ago

6 0

Put the marked magnet up to each side of the unmarked one. if they attract they are opposite -north attracts south, south attracts north- if they repel -forcefully push away- from each other they are the same -north and north, or south and south. once you have done that you can label the poles correctly.

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Select all that apply.

prohojiy [21]

My guess is the last 2... <span>phosphorus and potassium</span>

5 0

3 years ago

Read 2 more answers

5. __NH3 + __O2 >>>>>__ NO +__ H20

inn [45]

2 NH3+ 2 O2 —> 2 NO+ 3 H2O

5 0

3 years ago

What is the average kinetic energy of 1 mole of a gas at 125 kelvin? (R = 8.314 J/K-mol)

Nookie1986 [14]

The average kinetic energy of a mole of gas can be determined through the equation KE= 1.5 nRT where R is the gas constant equal to <span>8.314 J/K-mol and T is temperature, The temperature for this problem is 125 Kelvin and n is equal to 1 mole. KE then is equal to 1558.88 Joules.</span>

7 0

4 years ago

Use the terms “valence electrons”, “noble gas configuration”, “ionization”, and “octet rule” in a sentence.

WARRIOR [948]

Answer: Noble gas configuration is the ionisation of valence electrons using the octet rules.

Explanation:

Noble gases are the halogen, iodine etc. they form molecules using anion valence electrons in order build octet structures.

5 0

3 years ago

Is Bromine from the noble gasses? if yes why? if no why? too

Jet001 [13]

Answer: Bromine is Actually a Halogen!

Explanation: Bromine is in the 7th column of the Periodic Table. It needs that magic 8 valence electrons and it has 7.

Hoped that helped!

8 0

4 years ago