A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons and neutrons
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 neutrons and protons. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Protons and Neutrons B) Neutrons C) Protons D) Valence Electrons
A) density B) shape C) pH D) color
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) protons plus the number of neutrons. C) protons. D) neutrons.
A) They form negative ions with a -1 charge. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They are usually gases.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They form compounds with very bright colors.
A) are all metals B) exist in all three states of matter in normal conditions C) are nonreactive D) have only 1 valence electron
A) On the right side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the left-most side.
A) location; ionization B) color; smell C) number; mass D) mass;number
A) 8 neutrons B) 12 neutrons C) 6 neutrons D) 3 neutrons
A) Noble Gases B) Alkaline Earth C) Alkali Metals D) Halogens
A) Akali B) Halogens C) Noble Gases D) Alkaline Earth
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) 2 B) 5 C) 3 D) 4
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) neutrons B) protons C) electrons D) nucleus
A) pH B) color C) reactivity D) flammability
A) crushing B) breaking C) adding dye D) burning
A) can only be observed by changing the substance B) only can be seen in a few elements C) can be observed with senses D) vary within the same element
A) vary within the same element B) can be observes with the senses C) only can be observed in a few elements D) cn only be observed by changing the substance
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) kilograms B) hours C) grams D) meters
A) nethier accurate or precise B) precise C) both accurate and precise D) accurate
A) 1/100 B) 1,000 C) 1/1,000 D) 100
A) control B) dependent C) independent D) constant
A) fertilizer B) strawberries C) growth D) length of study
A) independent B) control C) dependent D) constant
A) stirring rod B) tongs C) graduated cylinder D) beaker
A) 0 B) 16 C) 10 D) 13
A) 35 B) 19 C) 18 D) 17
A) 10 B) 26 C) 14 D) 12
A) 18 B) 8 C) 10 D) 2
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 1 B) 2 C) 4 D) 3
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Democritus B) Chadwick C) Rutherford D) Thomson
A) Shrodinger and Heisenburg B) Bohr C) Thomson D) Rutherford
A) Bohr B) Rutherford 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) Rutherford B) Bohr C) Dalton D) Chadwick
A) Electrons are positively charged. 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) Electron number never changes.
A) larger mass B) negative charge C) positive charge D) smaller mass
A) neutrons B) electrons C) positrons D) protons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 24g B) 17.5g C) 10.7g D) 0.094g |