1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
muminat
3 years ago
9

I really need help with my science homework

Chemistry
2 answers:
Kamila [148]3 years ago
8 0
SYMBOL, GROUP, PERIOD
He, Nobel Gas, 2
C, Nonmetal, 6
NA, Alkali metals, 11
S, non-metal, 16
Sn, Post-transition metal, 50
Ca, Alkali metals, 20
Li, alkali metals, 3
F, nonmetal, 9
K, alkali metal, 19
Mn, Transition metals, 25
P, nonmetal, 15
That's all I can do. Sorry. Its in order from top.
LuckyWell [14K]3 years ago
5 0
I can help, pm me and i will help you on there if that's alright?
You might be interested in
At physiological ph, the ionized state of the carboxyl (cooh) group in the r group of aspartic acid is:
Wewaii [24]
Answer is: the ionized state of the carboxyl group is COO⁻.
Physiological pH is 7,4 and carboxyl group in the R group has pKa = 3,7. Since this pKa is lower than phys<span>iological pH of 7,4, carboxyl group (COOH) will lost proton, and because of that it will be deprotonated and will have negative charge.
</span>Aspartic acid<span> is an α-amino acid that is used in the biosynthesis of proteins.</span>
3 0
3 years ago
The pressure of a sample of gas is 500. mm Hg and the volume is 30.0 L. If the
Aloiza [94]

Answer: the new pressure will be 300mmHg

Explanation:

V1 = 30L.

V2 = 50L

P1 = 500mmHg

P2 =?

P1V1 = P2V2

30 x 500 = P2 x 50

P2 = (30 x 500) / 50

P2 = 300mmHg

6 0
3 years ago
Mechanical energy is the sum of the _____ energy of an object. A kinetic and potential B potential and thermal C kinetic and che
Juli2301 [7.4K]

Answer:

A. kinetic and potential

Explanation:

kinetic energy (energy of motion) or potential energy (stored energy of position)

- Hope that helped! Let me know if you need further explanation.

5 0
2 years ago
Which of the following is not an example of a molecule?
satela [25.4K]

Mn is the answer i just took the test

6 0
3 years ago
Read 2 more answers
How many elements are in P4I10
artcher [175]

Answer:

2

Explanation:

P: Phosphorous

I: Iodine

Have a nice day

6 0
3 years ago
Other questions:
  • What will most likely happen when a warmer air mass exists above a polar ice sheet?
    12·2 answers
  • WILL MARK BRAINLIEST! ANSWER QUICKLY!!!!
    13·2 answers
  • Explain why the quantum number set (2, 2, -1, -½) is not possible for an electron in an atom.
    12·1 answer
  • Do all the molecules contain only single bonds?
    14·2 answers
  • 2. In our bodies, carbon dioxode
    12·1 answer
  • How many moles of ammonium sulfate. are required to create 200 liters of a 3 M solution ​
    14·1 answer
  • The bond enthalpy in NO is 632 kJ/mol and that of each NO bond in NO2 is 469 kJ/mol. Explain the difference in bond enthalpies b
    9·1 answer
  • What substance is most soluable at 0°C​
    9·1 answer
  • Applying the rules of significant figures, which of the following would be the correct value for the density of a substance whic
    14·1 answer
  • When gas changes to liquid is it gaining or loosing energy?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!