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