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RoseWind [281]
3 years ago
13

Which are characteristics of table salt (NaCl)?

Mathematics
1 answer:
oee [108]3 years ago
3 0

Answer:

The correct option (c) "is held together by ionic bonds".

Step-by-step explanation:

Table salt is NaCl. It is a combination of Sodium and Chlorine.

There is 1 valance electron in sodium. Its electronic configuration is 2,8,1

The electronic configuration of Chlorine is 2,8,7. It means that it needs 1 electron so that its octet gets completed.

Na transfers one electron to Cl. It becomes Na⁺. Cl gains one electron From Na. It becomes Cl⁻.

As a resuslt, Na⁺ and Cl⁻ forms. Both Na and Cl are ions. They held together by ionic bonds.

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Complete the function remove_all(L, x) so that, given a list L and a target value x, it returns a copy of the list that excludes
tia_tia [17]

Answer:

Code is given below along with explanation and output.

Step-by-step explanation:

we can use the method of list comprehension to achieve the given task.

In a list comprehension, we create a sub-list of elements which satisfy specific conditions. the condition i !=x makes sure that x would be excluded in the modified list.

def remove_all(L, x):

   return [i for i in L if i != x]

L = [1, 2, 3, 4, 5, 6, 4, 3, 2, 4 ]

print('Before =',L)

L = remove_all(L, 4)

print('After =',L)

Output:

Before = [1, 2, 3, 4, 5, 6, 4, 3, 2, 4]

After = [1, 2, 3, 5, 6, 3, 2]

As you can see we have successfully removed the multiple occurrence of x=4 while preserving the order of the list.

4 0
4 years ago
What is divide 4860 in the ratio 5:4:3
NNADVOKAT [17]
Total portions are
5+4+3
12

One portion,
4860 / 12
405

So
5 : 4 : 3
5*405 : 4*405 : 3:405
2025 : 1620 : 1215
8 0
3 years ago
24.459 correctly rounded to the hundredths place?
gtnhenbr [62]

Answer:

24.46

ahh im so redfaced rn help lol XD

8 0
3 years ago
Please I really need this answer fast
grin007 [14]

Answer:

Ordinarily a graph like this will have arrowheads on the ends of the curve, indicating the curve continues on in the same direction. Here, we have to assume the existence of such arrowheads in order to choose a sensible answer.

As x goes to -∞, the curve continues to increase toward +∞. This is not an answer choice.

As x goes to +∞, the curve continues to decrease toward -∞. This matches the third answer choice.

4 0
3 years ago
Miss Garcia has a strip of paper that is 5 feet long. She cuts it into pieces that are 1/3 foo long 1. How many pieces are there
mixer [17]

Answer:

15 pieces

Step-by-step explanation:

5/ (1/3) = 5*3 = 15

3 0
3 years ago
Read 2 more answers
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