Elements and Symbols
Li is the symbol for
Lithium
An atom that gains or loses electrons in order to have a full valence shell is called an _______
Ion
Chemicals with a pH less than 7 are called
Acids
Soluble means
Will dissolve in water
What force pulls objects towards the Earth?
Gravity
Which country is famous for sushi, ramen, and Mount Fuji?
Japan
How many sides does a hexagon have?
Six
Ne is the symbol for
Neon
Positive ions are called _________
cations
Chemicals with a pH greater than 7 are called
Bases (or alkali)
Complete combustion means
Burning a fuel in plenty of oxygen
Which organ pumps blood around the human body?
The heart
Pizza originated in which country?
Italy
What is the body of water that separates the North and South Island called?
The Cook Strait
What is the symbol for Phosphorus?
P
Negative ions are called _____________
anions
Chemicals with a neutral pH have a pH of ?
7
What is a meniscus?
The bubble in a measuring cylinder you need to be at eye level with to read the volume
What part of the human body controls thoughts, movement, and senses?
The brain
Which country is known for the food called paella?
Spain
In what year was the treaty of Waitangi signed?
1840
What is the symbol for Silicon?
Si
When atoms gain electrons they become __________ ions
negative ions
Name the type of reaction that occurs when you add an acid and base together
Neutralisation reaction
What does valence mean?
Outer shell of electrons
What is the largest organ in the body?
Skin
In which country would you find the city of Rio de Janeiro and the Christ the Redeemer statue?
Brazil
Which country is home to the pyramids of Giza?
Egypt
S is the symbol for?
Sulphur
When atoms lose electrons they become _______ ions
positive
If the universal indicator is orange - what pH is it?
3 - 4
What are the 3 subatomic particles?
proton, neutron and electron
What is the name of the galaxy containing our solar system?
The Milky Way
The movie "Black Panther" is set primarily in which fictional African country?
Wakanda
What is the longest river in the world?
The Nile
Mg is the symbol for
Magnesium
Fluorine has an electron arrangement of 2,7. What will it do to gain a full valence shell?
If the universal indicator is blue what pH is it?
8 - 10
What is the atomic number?
the number of protons in an atom
What gas do humans breathe and use?
Oxygen
Which country has a maple leaf on its national flag?
What is the smallest independent country in the world by land area?
The Vatican City
B is the symbol for
Boron
Calcium has an electron arrangement of 2,8,8,2. What does it do to gain a full valence shell?
Lose 2 electrons
If you are trying to make a neutral solution but your solution is yellow with universal indicator - what do you need to add more of? Acid or base?
Base
What information does the mass number give you?
The number of protons + neutrons in the nucleus
What is the name of the process by which a caterpillar changes into a butterfly?
Metamorphosis
What are one of the two countries bordering Mount Everest?
Nepal or China
What year did World War II officially end?
1945
Be is the symbol for
Beryllium
Oxygen has 8 electrons arranged 2,6. It gains 2 electrons to become an ion. What is the symbol and charge of the ion?
O2-
When an acid + base react, what are the two products formed?
Salt + water
the middle part of the atom is called the
nucleus
What is the name of the process plants use to make food from oxygen?
Photosynthesis
Paris
What is the name of the line dividing Earth into the Northern and Southern Hemispheres?
Equator
Ca
Lithium has 3 electrons arranged 2,1. It loses 1 electron to become an ion. What is the symbol and charge of the ion?
Li+
If you react an acid with a carbonate as well as a metal salt + water..... what else does it make?
Carbon dioxide
Name the 3 states of matter
Solid, liquid and gas
If you push a box but it doesn't move, what force/thing is opposing your push?
Friction
The Olympic Games originated in which country?
Greece
Which continent is considered the coldest, windiest, and driest on Earth?
Antarctica
Symbol for sodium is
Na
Explain why elements in group 18 do not form ions?
They have a full valence shell already
What is the difference between something that is alkali and something that is basic?
Alkali are soluble bases. Both will have a pH greater than 8
What is a solute and give an example
Something that dissolves in a solvent. e.g. sugar, raro
Why does the Moon appear to change shape throughout the month?
It orbits earth, and we see different parts of it lit by the sun
Which country gave the world the music and dance style known as tango?
Argentina
What does the global internet acronym "WWW" stand for?
World Wide Web