2 years ago

UHHH helpppp maya cause uh she d.a.n.g d.u.m.b.

Chemistry

2 answers:

inna [77]2 years ago

6 0

Answer:

Explanation:

the mass number of the element which is protons and neutrons is 17+18=35

electronic configuration is 2, 8, 7

valency of the element is 1 therefore the atomic number is 17

Ksivusya [100]2 years ago

4 0

It’s ...............17

You might be interested in

Help me fill in the blanks

Studentka2010 [4]

First blank -Same
Second blank-Neutral

5 0

3 years ago

How many electrons are in Hydrogen?

KonstantinChe [14]

1. Hydrogen has 1 electron.

5 0

3 years ago

Read 2 more answers

If a helium filled ballon has a volume of 3.4l at 25°c and 1.18atm., what is its volume at STP?

vladimir2022 [97]

Answer:

3.711 L

Explanation:

The formula you need to use is the following:

$\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}\\$

3.4L / 298 K = V2 / 273 K

V2 = 3.711 L

5 0

2 years ago

Which of the following do scientists use to form a hypothesis?

Debora [2.8K]

Explanation:

The scientific method involves making observations and asking questions. Scientists form hypotheses based on these observations and then develop controlled experiments to collecting and analyze data. Using this data, they are able to draw conclusions and form questions for new scientific research.

:)ᴍᴀʀᴋ ᴀꜱ ʙʀᴀɪɴʟɪꜱᴛ

3 0

2 years ago

Anything that can fall has stored energy called

Marina CMI [18]

Answer:

Gravitation Potential Energy

Explanation:

3 0

3 years ago

Read 2 more answers