Advertisements
Advertisements
प्रश्न
Is the following statement true or false?
The difference of two integers is always an integer.
पर्याय
True
False
Advertisements
उत्तर
True
An integer subtracted from an integer gives an integer.
APPEARS IN
संबंधित प्रश्न
Write the number in the following example using the proper signs.
The tunnel is at a depth of 2 metres under the ground.
Write the opposite of the following: 10 km above sea level
Indicate the following using '+' or '−' sign: Decrease of 9
Add: -493 and 289
Divide: −72 by 18
Fill in the blanks:
(−84) + (......) = −7
Which of the following is a true statement?
−4 > −3
2 less than −7 is
Simplify: (−147) ÷ (−21)
An atom changes to a charged particle called ion if it loses or gains electrons. The charge on an ion is the charge on electrons plus charge on protons. Now, write the missing information in the table given below:
| Name of Ion | Proton Charge | Electron Charge | Ion Charge |
| Hydroxide ion | +9 | – | –1 |
| Sodium ion | +11 | – | +1 |
| Aluminium ion | +13 | –10 | – |
| Oxide ion | +8 | –10 | – |
