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