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Tanzania [10]
3 years ago
6

Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an elements properties to be

predicted based on general periodic trends. One of these trends, atomic radius, increase down a group and to the left along a period and can be defined as _________.
A). One-half the distance between the nuclei of two atoms

B). The distance between the nuclei of two atoms

C). One-half the diameter of an atom

D). The diameter of an atom
Physics
2 answers:
DiKsa [7]3 years ago
5 0

C

Atomic radius is the distance between the center of the nucleus to the outermost orbital shell of the atom. Assume the atom is like a football stadium and the nucleus of the atom is a ball placed at the center of the pitch. The atomic radius is from the center of the ball to the edge of the football stadium.

Explanation:

This atomic radius decreases from left to right of a periodic table because of increases in protons in the nucleus along the periodic table. This increased proton count has  a higher attractive force on the electron orbitals of the atom. This decreases the atomic radius

The atomic radius of atoms down a column of the periodic table increase because an extra orbital shell is added to the atoms with every period down the column.

Learn More:

brainly.com/question/1604565

brainly.com/question/13126562

#LearnWithBrainly

cestrela7 [59]3 years ago
3 0

Answer:

the answer is actually A I just took it on usatestprep

Explanation:

Atomic radius can be defined as the atom's ability to one-half the distance between the nuclei of two atoms. Atomic radius is measured between two nuclei because the edge of the electron cloud is too difuse to clearly measure otherwise. Atomic radius increases down a group and to the left along a period.

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A rubber band slingshot is drawn back 0.15 m with a force of 28N and shoots 28 g stone the initial speed of the stone if the rub
maria [59]

Answer:

Initial speed of stone = 12.25 m/s

Explanation:

Given:

Change in distance = 0.15 m

Force applied = 28 N

Find:

Initial speed of stone

Computation:

Using conservation of energy

(1/2)fs² = (1/2)(mv²)

fs² = (mv²)

(28)(0.15)² = (0.028)(v²)

v² = (28)(0.15)²/(0.028)

v = 12.25

Initial speed of stone = 12.25 m/s

3 0
3 years ago
The center of mass of a 0.3 kg (non-uniform) meter stick is located at its 46-cm mark. What is the magnitude of the torque (in N
Sati [7]

Answer:

15cm

Explanation:

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4 years ago
What is it called when matter changes directly from a solid to a gas?
padilas [110]
Sublimation-is the transitional phase of solid to gas skipping the liquid phase entirely 

5 0
3 years ago
A space probe is coasting through space at a steady speed of 100p feet per second. the booster rocket fires for 1/2 seconds so t
aleksandr82 [10.1K]

Answer:

Acceleration: 9800 ft/s^2

Explanation:

The acceleration of an object is equal to the rate of change of velocity:

a=\frac{v-u}{t}

where

u is the initial velocity

v is the final velocity

t is the time taken for the velocity to change from u to v

For the space probe in this problem, we have:

u = 100 ft/s (initial velocity)

v = 5000 ft/s (final velocity)

t = 0.5 s (time taken)

Therefore, the acceleration is

a=\frac{5000-100}{0.5}=9800 ft/s^2

6 0
3 years ago
If an airplane were traveling eastward with a thrust force 450 N and there was a tailwind of 200 N, what would the resulting net
Alika [10]

The resulting net force is 650N

Explanation:

The force caused by air resistance against the plane's motion is called the Drag force. It acts against the motion of the plane. However, tailwinds push the plane from its tail and they apply a force is the direction of the moving plane.

The resulting force is the sum of the two forces; 450N +200N = 650N

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4 0
3 years ago
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