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Molodets [167]
3 years ago
15

What trend is seen in atom size, going down the periodic table?

Chemistry
1 answer:
m_a_m_a [10]3 years ago
7 0
Answer:
It is called Ionization Energy.
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Dan bikes 10 km west and then bikes another 5 km west. What is Dan's
777dan777 [17]
C

This is because 10+5=15
15/45=0.3
4 0
2 years ago
From his experiment j.j. Thomson concluded that
iragen [17]
Particles as small as atoms exist.
3 0
3 years ago
why I which activity would stimulate the human immune system to provide protection against an invasion by a microbe
Andrei [34K]

The question is incomplete as it does not have the options which are:

(1) receiving antibiotic injections after surgery

(2) choosing a well-balanced diet and following it throughout life

(3) being vaccinated against chicken pox

(4) receiving hormones contained in mothers milk while nursing

Answer:

Being vaccinated against chicken pox

Explanation:

Vaccination is the procedure of giving the disease-causing germs which could be virus and bacteria in their dead or weakened state, some toxin, some proteins or some other molecules called a vaccine.

The benefit of providing vaccination is that the provided pathogen acts as an antigen and triggers the proactive immune response against the pathogen which helps in eradicating the main pathogen that has invaded the body.  The vaccination is used to treat the disease like chickenpox, measles, tetanus and many others.

Thus, the selected option is correct.

6 0
3 years ago
g If a small amount of a strong acid is added to a buffer made up of a weak acid, HA, and the sodium salt of its conjugate base,
ikadub [295]

Answer:

Explanation is in the answer

Explanation:

The pH of the buffer solution does not change appreciably because the strong acid (free H⁺) reacts with conjugate base of buffer producing more weak acid. pH formula of buffers is (Henderson-Hasselbalch formula):

pH = pKa + log ( [A⁻] / [HA] )

The addition of strong acid decreases [A⁻] increasing [HA]. pH change just in the log of the ratio of [A⁻] with [HA], that is a real little effect over pH of the buffer solution.

5 0
3 years ago
According to the phase diagram for H20 what happens to the phases of water at 1 atm pressure as the temperature is increased fro
asambeis [7]

Answer:

B

Explanation:

follow the chart starting at the y axis go away from it at the level of 1 till you hit 100

4 0
3 years ago
Read 2 more answers
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