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