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3 years ago

An atom that has only one electron in its valence electron shell is_______chemically reactive.

Physics

1 answer:

Rasek [7]3 years ago

4 0

Highly

Explanation:

An atom that has one electron in its valence electron shell is highly chemically reactive.

Such atoms are called Alkali metals. They occupy the first group on the periodic table and they are a bunch of metals.

The number of electrons in the valence shell of atoms determines the reactivity of an element.
Atoms are gained or lost or shared in order to attain an octet configuration.
When an atom with one electron in the valence shell loses this electron, it will become stable.
This implies that it will attain its octet.
This makes them take part in reactions that will ensure they lose that electron.
Examples of such atoms Li, Na, K, Rb, Cs and Fr.

learn more:

Reactivity of Na brainly.com/question/6496202

#learnwithBrainly

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2 years ago

If an object's kinetic energy is zero, what is its momentum?

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3 years ago

Lila is a track and field athlete. She must complete four laps around a circular track. The track itself is a 400 meter track an

Aleonysh [2.5K]

Answer:

Her speed is 1.1 m/s, and her velocity is 0 m/s

Explanation:

Speed = Distance covered/Time

Given

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Time = 6minutes = 6*60 = 360 secs

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2 years ago

Consider a bicycle wheel to be a ring of radius 30 cm and mass 1.5 kg. Neglect the mass of the axle and sprocket. If a force of

vredina [299]

Answer:

The angular speed after 6s is $\omega = 1466.67s^{-1}$ .

Explanation:

The equation

$I\alpha = Fd$

relates the moment of inertia $I$ of a rigid body, and its angular acceleration $\alpha$ , with the force applied $F$ at a distance $d$ from the axis of rotation.

In our case, the force applied is $F = 22N$ , at a distance $d = 6cm =0.06m$ , to a ring with the moment of inertia of $I =mr^2$ ; therefore, the angular acceleration is