A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) + B) - C) 0
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Atomic Number B) Atomic Mass C) Discovery Date D) Alphabetical Order
A) Valence Electrons B) Protons C) Protons and Neutrons D) Neutrons
A) density B) shape C) color D) pH
A) a total of eight protons and neutrons. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) eight protons in its nucleus.
A) neutrons. B) protons plus the number of neutrons. C) protons. D) protons plus the number of electrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They are usually gases. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) a basically nonreactive. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are nonreactive C) are all metals D) exist in all three states of matter in normal conditions
A) In the middle column of the periodic table. B) On the left-most side. C) In the bottom rows. D) On the right side.
A) location; ionization B) color; smell C) number; mass D) mass;number
A) 6 neutrons B) 12 neutrons C) 8 neutrons D) 3 neutrons
A) Noble Gases B) Alkaline Metals C) Alkaline Earth D) Halogens
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) 3 B) 2 C) 5 D) 4
A) metals B) metalloids C) nonmetals
A) Mosely B) Mendleev C) Einstein D) Ms. Watson
A) according to atomic number B) alphabetically C) According to atomic mass D) by date discovered
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) neutrons B) electrons C) nucleus D) protons
A) reactivity B) flammability C) pH D) color
A) shape B) pH C) texture D) density
A) adding dye B) burning C) breaking D) crushing
A) burning B) rusting C) breaking D) precipitate forming
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
A) vary within the same element B) cn only be observed by changing the substance C) can be observes with the senses D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) liters B) second C) kelvin D) meters
A) meters B) grams C) hours D) kilograms
A) both accurate and precise B) precise C) nethier accurate or precise D) accurate
A) 1/1,000 B) 1/100 C) 1,000 D) 100
A) independent B) dependent C) control D) constant
A) fertilizer B) growth C) strawberries D) length of study
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) dependent B) constant C) independent D) control
A) stirring rod B) beaker C) tongs D) graduated cylinder
A) 0 B) 16 C) 13 D) 10
A) 17 B) 35 C) 18 D) 19
A) 14 B) 10 C) 12 D) 26
A) 10 B) 2 C) 18 D) 8
A) 57 amu B) 115 amu C) 0.57 amu D) 5.7 amu
A) 4 B) 3 C) 2 D) 1
A) 2 mol B) 67.2 mol C) 89.6 mol D) 0.5 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 5.8x1022 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Shrodinger and Heisenburg B) Bohr C) Thomson D) Rutherford
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Rutherford B) Dalton C) Chadwick D) Bohr
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) negative charge B) positive charge C) smaller mass D) larger mass
A) positrons B) electrons C) neutrons D) protons
A) 0.33g/ml B) 3g/ml C) 1.33g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 16g D) 0.094g |