Questions by Josie Koay

Questions by Josie Koay

1.An atom of silicon has a mass number of 28 and an atomic number of 14. How many protons and how many neutrons are in this atom? Show your calculation.

asked Dec 1, 2023

1 answer

3 votes

2.8k views

Atoms and the chemical bonds that connect them cannot be observed with your eyes, so it is necessary to use a a. microscope b. theory c. model d. both (b) and (c)

asked Oct 15, 2023

2 answers

20 votes

52.8k views

Below is a DAB. Set up and solve an equation to find the value of X. Then find the measurement of the missing angle.

asked Oct 9, 2023

2 answers

2 votes

128k views

What two things should be included when summarizing? Choose 2 answers. Question 1 options: Numbers Main purpose Key points Names

asked Jun 20, 2023

1 answer

0 votes

176k views

Please help me. 2 ^ (2x - 3) * .5 ^ (x - 1) = 200

asked Mar 26, 2023

1 answer

19 votes

49.4k views

When Dally tells Johnny that the greasers won the fight against the Socs, Johnny says, “Useless . . . fighting’s no good.” What theme is suggested in Johnny’s statement? that the greasers would just have

asked Dec 14, 2022

1 answer

2 votes

13.3k views

This is a Doubt. Can someone tell me if it is right or wrong?

asked Aug 11, 2022

1 answer

3 votes

106k views

Does anyone know what question 7,8, and 9 are? 15 points!

asked Apr 28, 2022

1 answer

2 votes

179k views

Help pls What additional information is required to prove the triangles are congruent using ASA? Since vertical angles are congruent assume:

asked Apr 21, 2022

1 answer

0 votes

111k views

|3b+5|<=-2 solve the in equality

asked Mar 24, 2022

1 answer

1 vote

96.7k views

How to do this problem?? Thank u

asked Jan 28, 2022

1 answer

3 votes

214k views

A number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number different from 9. 1. 1/2 2. 1 3. 2/3 4. 0

asked Oct 24, 2021

1 answer

1 vote

59.5k views

What is this answer I NEED this

asked Jul 28, 2021

2 answers

4 votes

36.0k views

When preserving areas to act as reservoirs for biodiversity, corridors are important because: Select one: a. they decrease the rates of colonization. b. they increase interactions at the edges of ecosystems,

asked Jan 20, 2021

1 answer

3 votes

25.6k views

Give reason: Photo chemical decomposition reaction finds application in photography.

asked Jan 1, 2021

1 answer

0 votes

5.4k views

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