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