Ans: a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.

8 0

2 years ago

Which group (give the number) is characterized by 5 valence electrons in the configuration<br> s²p3?

Ivahew [28]

<h3>Answer:</h3>

Group 5A

<h3>Explanation:</h3>

Elements in the periodic table are arranged into columns known as groups and rows known as periods.
Elements in the same group share similar chemical properties.
For example, elements in group 5A have five valence electrons with the most high energy level with a configuration of s²p³.
Elements in group 5A include nitrogen and phosphorus among others.

5 0

3 years ago

Where would you have the least mass?

beks73 [17]

Answer:

the moon but mass stays the same

Explanation:

7 0

3 years ago

Which of the following fibers should not be in this group?

ryzh [129]

Answer:

Nylon

Explanation:

This should not be in this group

4 0

3 years ago