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maxonik [38]
4 years ago
10

The electron configuration notation for Na is:o 1s22s22p63s21s 2s 2p 3s1s22s22p61s22s22p

Chemistry
2 answers:
irinina [24]4 years ago
4 0

Answer : The correct electronic configuration of sodium atom is,

1s^22s^22p^63s^1

Explanation :

Electronic configuration : It is defined as the representation of electrons around the nucleus of an atom.  

Number of electrons in an atom are determined by the electronic configuration.

Atomic number : It is defined as the number of electrons or number of protons present in a neutral atom.

The given atom is, sodium (Na)

Sodium is the 11th element which belong to period 1.

The electronic configuration of sodium atom is,

1s^22s^22p^63s^1

Radda [10]4 years ago
3 0
1s2 2s2 2p6 3s1 is the electron configuration for Na
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The table below lists the properties of a metallic element. Shiny, Silver colored, Forms +1 and +2 ions, compound with sulfur is
shtirl [24]

Answer:

The correct option is;

Group 12

Explanation:

A metallic element that is shiny and silver colored that can exist in the +1 and +2 ionic states and  which forms a bright red compound with sulfur is mercury, Hg

The compound formed between mercury and silver is one of the earliest synthetic compound also known as vermilion and cinnabar. The bright red pigment of the HgS is used widely and is one of the most favorite pigment found in medieval European outstanding works of arts and in Chinese decorated wares made of lacquer as well as in mesoAmerica.

5 0
3 years ago
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Which option is a mixture?<br> A. potassium<br> B. sugar<br> C. water<br> D. salad
PSYCHO15rus [73]

Answer:

D.Salad

Explanation:

A mixture is a substance that combines two or more substance that are physically combined. A mixture can be easily seperated by a physical means . A mixture is the combination of various substances that are not chemically combined .Examples of mixtures are cake and salad . The  cake contains various substances like egg, flour and sugar. This mixture can be easily separated into it individual entities by a physical means .

Base on the option the only mixture among the option is salad . Salad is a a mixtures that combines substances like tomatoes , fruits and vegetable. The individual substances that makes up the salad can be easily separated.

Sugar is a compound . Water is a compound as it contains two elements and potassium is an element.

6 0
3 years ago
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Explain why saltwater is considered a mixture
lutik1710 [3]
Because it is a mix of H2O (water) and NaCl (salt)
3 0
3 years ago
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WILL GIVE BRAINLIST
8_murik_8 [283]
I would choose C bc if u look at it closely u can notice it goes up steadily and then BANG it decreases a lot
4 0
3 years ago
This is very helpful, but what is the best one?
Mice21 [21]
Can you tell us what you mean and post the questions ?
8 0
4 years ago
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