What information about elements can be collected from the periodic table?

A lot

Explanation:

- As you go down a group, the elements get larger in size

- All of the elements of the same group have the same # of valence electrons

- As you go to the right of a period, the # of electrons in the outermost shell increases

- The elements at the top right of the table have the highest electronegativity

- Groups 13 through 17 are nonmetals

- The last group contains noble gases

etc.

-

In the periodic table elements are arranged in increasing order of their atomic number.

The vertical columns are called groups. The horizontal rows are referred to as periods.

From the group number of the element, we can know the number of valence electrons present. Thus if the element is in Group 2, then there are 2 valence electrons.

From the period number we can find the number of electron orbits. For example if the period number of an element is 3, then it has 3 orbits.

Depending on which group the element belongs to, we can predict certain properties of the element as well.

For example. if the element belongs to group 1 or 2, then they are good reducing agents, having low ionization enthalpy and found at the top of the electrochemical series.

If the element belongs to group 3 to 12 then they are transition metals, with their compounds being colored.

If the element belongs to group 18 then they are the noble gases.

its b

Explanation:

took the exam edg 2021

Check Explanation and attachment.

Explanation:

Since the site does not allow me to submit my work(for you to easily copy and paste it), I will post some additional attachments.  

Please, note that there is category, unique ID, description for each media item.

#include <stdio.h>

#include <string.h>

struct Media {

int id;

int year;

char title[250];

char description[250];

char category[50];

};

void show_menu();

void add_item(struct Media arr[], int *c);

void print_all(struct Media arr[], int c);

void print_category(struct Media arr[], int c);

void delete_entry(struct Media arr[], int *c);

int main() {

struct Media collection[100];

int ch, count = 0;

// loop until user wants to quit

while (1) {

show_menu(); // display the menu

printf("Enter your choice: ");

scanf("%d", &ch);

if (ch == 1)

add_item(collection, &count);

else if (ch == 2)

print_all(collection, count);

else if (ch == 3)

print_category(collection, count);

else if (ch == 4)

delete_entry(collection, &count);

else if (ch == 0)

break;

else

printf("Invalid choice. Try again!\n");

}

return 0;

}

void show_menu() {

printf("1. Add a media item to the collection\n");

printf("2. Print all media in the collection\n");

printf("3. Print all media in a given category\n");

printf("4. Delete an entry\n");

printf("0. Quit\n");

}

void add_item(struct Media arr[], int *cnt) {

Check Explanation and attachment.

Explanation:

Since the site does not allow me to submit my work(for you to easily copy and paste it), I will post some additional attachments.  

Please, note that there is category, unique ID, description for each media item.

#include <stdio.h>

#include <string.h>

struct Media {

int id;

int year;

char title[250];

char description[250];

char category[50];

};

void show_menu();

void add_item(struct Media arr[], int *c);

void print_all(struct Media arr[], int c);

void print_category(struct Media arr[], int c);

void delete_entry(struct Media arr[], int *c);

int main() {

struct Media collection[100];

int ch, count = 0;

// loop until user wants to quit

while (1) {

show_menu(); // display the menu

printf("Enter your choice: ");

scanf("%d", &ch);

if (ch == 1)

add_item(collection, &count);

else if (ch == 2)

print_all(collection, count);

else if (ch == 3)

print_category(collection, count);

else if (ch == 4)

delete_entry(collection, &count);

else if (ch == 0)

break;

else

printf("Invalid choice. Try again!\n");

}

return 0;

}

void show_menu() {

printf("1. Add a media item to the collection\n");

printf("2. Print all media in the collection\n");

printf("3. Print all media in a given category\n");

printf("4. Delete an entry\n");

printf("0. Quit\n");

}

void add_item(struct Media arr[], int *cnt) {

Following is given the plan as required.

I hope it will help you!

Explanation:

Following is given the plan as required.

I hope it will help you!

Explanation:

Answer is in a photo. I can only upload it to a file hosting service. link below!

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