Calcium is very reactive, has properties similar to magnesium, and is in the same period as bromine.
Properties are defined as the qualities that help us distinguish one material from another.
There are basically two types of properties.
Reactive is defined as the catalyst for a chemical process, either on its own or in combination with other materials.
It can also be defined as the propensity of a substance to undergo chemical reaction and release energy, either by itself or in conjunction with other materials.
Thus, calcium is very reactive, has properties similar to magnesium, and is in the same period as bromine.
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The bacteria in nasty environment undergoes multiple fission.
The bacteria is a unicellular prokaryotic organisms that are found in each and every places of the world. They can survive in extremes of temperatures and pH. They can save themselves through special processes in the extreme climates.
The bacteria undergoes multiple fission in these climates. They cover themselves up with a strong and tough capsule inside which they undergo several Binary fissions. This leads to the formation of multiple cells enclosed with a capsule.
With the return of the favourable climate, the capsule rupture and these newly formed cells come out.
When a potassium atom loses an electron, it obtains a positive charge and becomes a potassium ion (K +). It goes as follows: K → K + + e - . Therefore, carries a positive charge.
The chemical element with the atomic number 19 and the letter K is potassium. Potassium is a silvery-white metal that may be easily and gently sliced with a knife. Within seconds of exposure, potassium metal quickly combines with air oxygen to produce flaky, white potassium peroxide.
Many significant chemicals are formed by potassium. The most prevalent potassium compound is potassium chloride (KCl). It is used to make other compounds, a salt alternative, and fertilizers.
Vegetables, fruit, potatoes, meat, bread, milk, and nuts all contain potassium. It aids neuronal activities and plays a significant part in the human body's fluid system. 95% of the potassium in the body is found inside cells, where it congregates as the ion K+.
Thus, When a potassium atom loses an electron, it obtains a positive charge and becomes a potassium ion (K +).
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If it loses 1 electron, it will now have 1 more proton than electrons.
Thus, the charge would be 1+
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did she just undertake?
A. Make a plan
B. Know the background.
C. Identify a need.
D. Test and evaluate.
Answer: identify a need
Explanation:
The engineer has executed the 'Identify a need' step in the engineering process, acknowledging a problem that could be improved with engineering - in this case, sound pollution from highway traffic.
The engineer in the scenario has just carried out the 'Identify a need' step in the engineering process. This step entails the recognition of a problem or the identification of a situation that could potentially be improved via engineering. In this case, the need is for a technological solution to mitigate sound pollution caused by highway traffic noise. This solution could drastically improve many people's quality of life, particularly those living near busy highways. The next steps in the process would be researching and brainstorming potential solutions, developing a blueprint or plan for the chosen solution, and then testing and evaluating the efficacy of the implemented solution against the identified need.
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All the glands do release quite a lot of hormones that have different functions. They are discussed below.
Pituitary gland is called the orchestra of endocrine system of human body. It secretes a lot of hormones namely
A. Growth hormone - it acts all over the body, helping in overall growth.
B. Thyroid Stimulating Hormone - acts on Thyroid gland, stimulating the release of Thyroid hormones.
C. Follicle Stimulating Hormone - Acts on germ mother cells to produce new cycles in females and new sperms in males.
D. Adreno Cortico Trophic Hormone - Acts on adrenal cortex gland helps in secretion of its hormones.
E. Luteinizing hormone - acts on interstitial cells of Leydig cells in males and corpus luteum in females to secrete testosterone and progesterone respectively.
F. Prolactin - it acts on mammary glands to secrete breast milk.
G. Oxytocin - it helps in labour and acts on uterine muscles.
H. Vasopressin - it acts on kidneys to reabsorb water.
Thyroid glands secrete Thyroxine and triiodothyronine acting on all cells of body for overall growth.
Adrenal Cortex secrete cortisol acting on all body cells, angiotensin and aldosterone acting on kidneys. Adrenal Medulla secretes adrenaline, nor adrenalin and dopamine which also acts on all body cells.
Pancreas secretes insulin, glucagon and somatotrophin which acts on all body cells, mainly muscle cells and adipocytes.
Ovary secretes Oestrogen, and progesterone acting on mainly all body cells, mainly in uterus.
Testis secretes testosterone which acts on all body, mainly on sperm mother cells.